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<header> <nav aria-label="Breadcrumb"> <p><a href="/Sandboxes/johnnyphung/chem101/02:_Homework/Review_03#">Chemistry 101: General Chemistry I</a> > <a href="/Sandboxes/johnnyphung/chem101/02:_Homework/Review_03#">Homework</a></p> </nav> <h1>Review 03</h1> </header> <main role="main"> <div id="preview" class="preview scrollEditor"> <div id="container-ruller"></div> <div id="preview-content"> <h2 type="section" data-unnumbered="true" id="review-questions" class="section-title"> REVIEW QUESTIONS</h2> <h2 type="section" data-unnumbered="true" id="chapter-3" class="section-title"> Chapter 3</h2> <ol> <li>Using only a periodic table, assign charges for each ion below, then complete the table with formulas and names for compounds formed by the combination of each cation and anion.</li> </ol> <div class="table_tabular" style="text-align: center"> <div class="inline-tabular"><table class="tabular"> <tbody> <tr style="border-top: none !important; border-bottom: none !important;"> <td style="text-align: left; 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border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top: none !important; width: auto; vertical-align: middle; " class="_empty"></td> <td style="text-align: left; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top: none !important; width: auto; vertical-align: middle; " class="_empty"></td> <td style="text-align: left; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top: none !important; width: auto; vertical-align: middle; " class="_empty"></td> <td style="text-align: left; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top: none !important; width: auto; vertical-align: middle; " class="_empty"></td> </tr> <tr style="border-top: none !important; border-bottom: none !important;"> <td style="text-align: left; border-left-style: solid !important; border-left-width: 1px !important; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top: none !important; width: auto; vertical-align: middle; " class="_empty"></td> <td style="text-align: left; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top: none !important; width: auto; vertical-align: middle; " class="_empty"></td> <td style="text-align: left; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top: none !important; width: auto; vertical-align: middle; " class="_empty"></td> <td style="text-align: left; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top: none !important; width: auto; vertical-align: middle; " class="_empty"></td> <td style="text-align: left; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top: none !important; width: auto; vertical-align: middle; " class="_empty"></td> </tr> </tbody> </table> </div></div> <ol start="2"> <li>Fill in the missing name or formula for each compound listed below. Fill in column 1 without using any notes, and then fill in column 2 with the use of notes.</li> </ol> <div class="table_tabular" style="text-align: center"> <div class="inline-tabular"><table class="tabular"> <tbody> <tr style="border-top: none !important; border-bottom: none !important;"> <td style="text-align: left; border-left-style: solid !important; border-left-width: 1px !important; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top-style: solid !important; border-top-width: 1px !important; width: auto; vertical-align: middle; " class="_empty"></td> <td style="text-align: left; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top-style: solid !important; border-top-width: 1px !important; width: auto; vertical-align: middle; ">1</td> <td style="text-align: left; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top-style: solid !important; border-top-width: 1px !important; width: auto; vertical-align: middle; ">2</td> </tr> <tr style="border-top: none !important; border-bottom: none !important;"> <td style="text-align: left; border-left-style: solid !important; border-left-width: 1px !important; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top: none !important; width: auto; vertical-align: middle; ">Barium nitrate</td> <td style="text-align: left; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top: none !important; width: auto; vertical-align: middle; " class="_empty"></td> <td style="text-align: left; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top: none !important; width: auto; vertical-align: middle; " class="_empty"></td> </tr> <tr style="border-top: none !important; border-bottom: none !important;"> <td style="text-align: left; border-left-style: solid !important; border-left-width: 1px !important; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top: none !important; width: auto; vertical-align: middle; ">Ferrous chloride</td> <td style="text-align: left; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top: none !important; width: auto; vertical-align: middle; " class="_empty"></td> <td style="text-align: left; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top: none !important; width: auto; vertical-align: middle; " class="_empty"></td> </tr> <tr style="border-top: none !important; border-bottom: none !important;"> <td style="text-align: left; border-left-style: solid !important; border-left-width: 1px !important; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top: none !important; width: auto; vertical-align: middle; ">Silver hydroxide</td> <td style="text-align: left; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top: none !important; width: auto; vertical-align: middle; " class="_empty"></td> <td style="text-align: left; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top: none !important; width: auto; vertical-align: middle; " class="_empty"></td> </tr> <tr style="border-top: none !important; border-bottom: none !important;"> <td style="text-align: left; border-left-style: solid !important; border-left-width: 1px !important; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top: none !important; width: auto; vertical-align: middle; ">Strontium phosphate</td> <td style="text-align: left; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top: none !important; width: auto; vertical-align: middle; " class="_empty"></td> <td style="text-align: left; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top: none !important; width: auto; vertical-align: middle; " class="_empty"></td> </tr> <tr style="border-top: none !important; border-bottom: none !important;"> <td style="text-align: left; border-left-style: solid !important; border-left-width: 1px !important; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top: none !important; width: auto; vertical-align: middle; ">Copper(II) acetate</td> <td style="text-align: left; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top: none !important; width: auto; vertical-align: middle; " class="_empty"></td> <td style="text-align: left; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top: none !important; width: auto; vertical-align: middle; " class="_empty"></td> </tr> <tr style="border-top: none !important; border-bottom: none !important;"> <td style="text-align: left; border-left-style: solid !important; border-left-width: 1px !important; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top: none !important; width: auto; vertical-align: middle; ">Zinc nitrite</td> <td style="text-align: left; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top: none !important; width: auto; vertical-align: middle; " class="_empty"></td> <td style="text-align: left; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top: none !important; width: auto; vertical-align: middle; " class="_empty"></td> </tr> <tr style="border-top: none !important; border-bottom: none !important;"> <td style="text-align: left; border-left-style: solid !important; border-left-width: 1px !important; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top: none !important; width: auto; vertical-align: middle; ">Potassium sulfite</td> <td style="text-align: left; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top: none !important; width: auto; vertical-align: middle; " class="_empty"></td> <td style="text-align: left; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top: none !important; width: auto; vertical-align: middle; " class="_empty"></td> </tr> <tr style="border-top: none !important; border-bottom: none !important;"> <td style="text-align: left; border-left-style: solid !important; border-left-width: 1px !important; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top: none !important; width: auto; vertical-align: middle; ">Ammonium carbonate</td> <td style="text-align: left; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top: none !important; width: auto; vertical-align: middle; " class="_empty"></td> <td style="text-align: left; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top: none !important; width: auto; vertical-align: middle; " class="_empty"></td> </tr> <tr style="border-top: none !important; border-bottom: none !important;"> <td style="text-align: left; border-left-style: solid !important; border-left-width: 1px !important; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top: none !important; width: auto; vertical-align: middle; ">Iodine heptafluoride</td> <td style="text-align: left; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top: none !important; width: auto; vertical-align: middle; " class="_empty"></td> <td style="text-align: left; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top: none !important; width: auto; vertical-align: middle; " class="_empty"></td> </tr> <tr style="border-top: none !important; 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transform="translate(750,0)"></path></g></g><g data-mml-node="TeXAtom" transform="translate(1283,-241.4) scale(0.707)" data-mjx-texclass="ORD"><g data-mml-node="mn"><path data-c="32" d="M109 429Q82 429 66 447T50 491Q50 562 103 614T235 666Q326 666 387 610T449 465Q449 422 429 383T381 315T301 241Q265 210 201 149L142 93L218 92Q375 92 385 97Q392 99 409 186V189H449V186Q448 183 436 95T421 3V0H50V19V31Q50 38 56 46T86 81Q115 113 136 137Q145 147 170 174T204 211T233 244T261 278T284 308T305 340T320 369T333 401T340 431T343 464Q343 527 309 573T212 619Q179 619 154 602T119 569T109 550Q109 549 114 549Q132 549 151 535T170 489Q170 464 154 447T109 429Z"></path></g></g></g><g data-mml-node="msub" transform="translate(1686.6,0)"><g data-mml-node="TeXAtom" data-mjx-texclass="ORD"><g data-mml-node="mi"><path data-c="53" d="M55 507Q55 590 112 647T243 704H257Q342 704 405 641L426 672Q431 679 436 687T446 700L449 704Q450 704 453 704T459 705H463Q466 705 472 699V462L466 456H448Q437 456 435 459T430 479Q413 605 329 646Q292 662 254 662Q201 662 168 626T135 542Q135 508 152 480T200 435Q210 431 286 412T370 389Q427 367 463 314T500 191Q500 110 448 45T301 -21Q245 -21 201 -4T140 27L122 41Q118 36 107 21T87 -7T78 -21Q76 -22 68 -22H64Q61 -22 55 -16V101Q55 220 56 222Q58 227 76 227H89Q95 221 95 214Q95 182 105 151T139 90T205 42T305 24Q352 24 386 62T420 155Q420 198 398 233T340 281Q284 295 266 300Q261 301 239 306T206 314T174 325T141 343T112 367T85 402Q55 451 55 507Z"></path><path data-c="4F" d="M56 340Q56 423 86 494T164 610T270 680T388 705Q521 705 621 601T722 341Q722 260 693 191T617 75T510 4T388 -22T267 3T160 74T85 189T56 340ZM467 647Q426 665 388 665Q360 665 331 654T269 620T213 549T179 439Q174 411 174 354Q174 144 277 61Q327 20 385 20H389H391Q474 20 537 99Q603 188 603 354Q603 411 598 439Q577 592 467 647Z" transform="translate(556,0)"></path></g></g><g data-mml-node="TeXAtom" transform="translate(1367,-150) scale(0.707)" data-mjx-texclass="ORD"><g data-mml-node="mn"><path data-c="34" d="M462 0Q444 3 333 3Q217 3 199 0H190V46H221Q241 46 248 46T265 48T279 53T286 61Q287 63 287 115V165H28V211L179 442Q332 674 334 675Q336 677 355 677H373L379 671V211H471V165H379V114Q379 73 379 66T385 54Q393 47 442 46H471V0H462ZM293 211V545L74 212L183 211H293Z"></path></g></g></g></g></g></svg></mjx-container></span></td> <td style="text-align: left; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top: none !important; width: auto; vertical-align: middle; " class="_empty"></td> <td style="text-align: left; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top: none !important; width: auto; vertical-align: middle; " class="_empty"></td> </tr> <tr style="border-top: none !important; border-bottom: none !important;"> <td style="text-align: left; border-left-style: solid !important; border-left-width: 1px !important; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top: none !important; width: auto; vertical-align: middle; "><span class="math-inline "> <mjx-container class="MathJax" jax="SVG"><svg style="vertical-align: -0.375ex;" width="5.432ex" height="1.97ex" role="img" focusable="false" viewbox="0 -705 2401.1 870.6"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="msub"><g data-mml-node="TeXAtom" data-mjx-texclass="ORD"><g data-mml-node="mi"><path data-c="4E" d="M42 46Q74 48 94 56T118 69T128 86V634H124Q114 637 52 637H25V683H232L235 680Q237 679 322 554T493 303L578 178V598Q572 608 568 613T544 627T492 637H475V683H483Q498 680 600 680Q706 680 715 683H724V637H707Q634 633 622 598L621 302V6L614 0H600Q585 0 582 3T481 150T282 443T171 605V345L172 86Q183 50 257 46H274V0H265Q250 3 150 3Q48 3 33 0H25V46H42Z"></path></g></g><g data-mml-node="TeXAtom" transform="translate(783,-150) scale(0.707)" data-mjx-texclass="ORD"><g data-mml-node="mn"><path data-c="32" d="M109 429Q82 429 66 447T50 491Q50 562 103 614T235 666Q326 666 387 610T449 465Q449 422 429 383T381 315T301 241Q265 210 201 149L142 93L218 92Q375 92 385 97Q392 99 409 186V189H449V186Q448 183 436 95T421 3V0H50V19V31Q50 38 56 46T86 81Q115 113 136 137Q145 147 170 174T204 211T233 244T261 278T284 308T305 340T320 369T333 401T340 431T343 464Q343 527 309 573T212 619Q179 619 154 602T119 569T109 550Q109 549 114 549Q132 549 151 535T170 489Q170 464 154 447T109 429Z"></path></g></g></g><g data-mml-node="msub" transform="translate(1186.6,0)"><g data-mml-node="TeXAtom" data-mjx-texclass="ORD"><g data-mml-node="mi"><path data-c="4F" d="M56 340Q56 423 86 494T164 610T270 680T388 705Q521 705 621 601T722 341Q722 260 693 191T617 75T510 4T388 -22T267 3T160 74T85 189T56 340ZM467 647Q426 665 388 665Q360 665 331 654T269 620T213 549T179 439Q174 411 174 354Q174 144 277 61Q327 20 385 20H389H391Q474 20 537 99Q603 188 603 354Q603 411 598 439Q577 592 467 647Z"></path></g></g><g data-mml-node="TeXAtom" transform="translate(811,-150) scale(0.707)" data-mjx-texclass="ORD"><g data-mml-node="mn"><path data-c="35" d="M164 157Q164 133 148 117T109 101H102Q148 22 224 22Q294 22 326 82Q345 115 345 210Q345 313 318 349Q292 382 260 382H254Q176 382 136 314Q132 307 129 306T114 304Q97 304 95 310Q93 314 93 485V614Q93 664 98 664Q100 666 102 666Q103 666 123 658T178 642T253 634Q324 634 389 662Q397 666 402 666Q410 666 410 648V635Q328 538 205 538Q174 538 149 544L139 546V374Q158 388 169 396T205 412T256 420Q337 420 393 355T449 201Q449 109 385 44T229 -22Q148 -22 99 32T50 154Q50 178 61 192T84 210T107 214Q132 214 148 197T164 157Z"></path></g></g></g></g></g></svg></mjx-container></span></td> <td style="text-align: left; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top: none !important; width: auto; vertical-align: middle; " class="_empty"></td> <td style="text-align: left; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top: none !important; width: auto; vertical-align: middle; " class="_empty"></td> </tr> <tr style="border-top: none !important; border-bottom: none !important;"> <td style="text-align: left; border-left-style: solid !important; border-left-width: 1px !important; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top: none !important; width: auto; vertical-align: middle; "><span class="math-inline "> <mjx-container class="MathJax" jax="SVG"><svg style="vertical-align: -0.546ex;" width="5.62ex" height="2.091ex" role="img" focusable="false" viewbox="0 -683 2484.1 924.4"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="msub"><g data-mml-node="TeXAtom" data-mjx-texclass="ORD"><g data-mml-node="mi"><path data-c="48" d="M128 622Q121 629 117 631T101 634T58 637H25V683H36Q57 680 180 680Q315 680 324 683H335V637H302Q262 636 251 634T233 622L232 500V378H517V622Q510 629 506 631T490 634T447 637H414V683H425Q446 680 569 680Q704 680 713 683H724V637H691Q651 636 640 634T622 622V61Q628 51 639 49T691 46H724V0H713Q692 3 569 3Q434 3 425 0H414V46H447Q489 47 498 49T517 61V332H232V197L233 61Q239 51 250 49T302 46H335V0H324Q303 3 180 3Q45 3 36 0H25V46H58Q100 47 109 49T128 61V622Z"></path><path data-c="67" d="M329 409Q373 453 429 453Q459 453 472 434T485 396Q485 382 476 371T449 360Q416 360 412 390Q410 404 415 411Q415 412 416 414V415Q388 412 363 393Q355 388 355 386Q355 385 359 381T368 369T379 351T388 325T392 292Q392 230 343 187T222 143Q172 143 123 171Q112 153 112 133Q112 98 138 81Q147 75 155 75T227 73Q311 72 335 67Q396 58 431 26Q470 -13 470 -72Q470 -139 392 -175Q332 -206 250 -206Q167 -206 107 -175Q29 -140 29 -75Q29 -39 50 -15T92 18L103 24Q67 55 67 108Q67 155 96 193Q52 237 52 292Q52 355 102 398T223 442Q274 442 318 416L329 409ZM299 343Q294 371 273 387T221 404Q192 404 171 388T145 343Q142 326 142 292Q142 248 149 227T179 192Q196 182 222 182Q244 182 260 189T283 207T294 227T299 242Q302 258 302 292T299 343ZM403 -75Q403 -50 389 -34T348 -11T299 -2T245 0H218Q151 0 138 -6Q118 -15 107 -34T95 -74Q95 -84 101 -97T122 -127T170 -155T250 -167Q319 -167 361 -139T403 -75Z" transform="translate(750,0)"></path></g></g><g data-mml-node="TeXAtom" transform="translate(1283,-241.4) scale(0.707)" data-mjx-texclass="ORD"><g data-mml-node="mn"><path data-c="32" d="M109 429Q82 429 66 447T50 491Q50 562 103 614T235 666Q326 666 387 610T449 465Q449 422 429 383T381 315T301 241Q265 210 201 149L142 93L218 92Q375 92 385 97Q392 99 409 186V189H449V186Q448 183 436 95T421 3V0H50V19V31Q50 38 56 46T86 81Q115 113 136 137Q145 147 170 174T204 211T233 244T261 278T284 308T305 340T320 369T333 401T340 431T343 464Q343 527 309 573T212 619Q179 619 154 602T119 569T109 550Q109 549 114 549Q132 549 151 535T170 489Q170 464 154 447T109 429Z"></path></g></g></g><g data-mml-node="msub" transform="translate(1686.6,0)"><g data-mml-node="TeXAtom" data-mjx-texclass="ORD"><g data-mml-node="mi"><path data-c="49" d="M328 0Q307 3 180 3T32 0H21V46H43Q92 46 106 49T126 60Q128 63 128 342Q128 620 126 623Q122 628 118 630T96 635T43 637H21V683H32Q53 680 180 680T328 683H339V637H317Q268 637 254 634T234 623Q232 620 232 342Q232 63 234 60Q238 55 242 53T264 48T317 46H339V0H328Z"></path></g></g><g data-mml-node="TeXAtom" transform="translate(394,-150) scale(0.707)" data-mjx-texclass="ORD"><g data-mml-node="mn"><path data-c="32" d="M109 429Q82 429 66 447T50 491Q50 562 103 614T235 666Q326 666 387 610T449 465Q449 422 429 383T381 315T301 241Q265 210 201 149L142 93L218 92Q375 92 385 97Q392 99 409 186V189H449V186Q448 183 436 95T421 3V0H50V19V31Q50 38 56 46T86 81Q115 113 136 137Q145 147 170 174T204 211T233 244T261 278T284 308T305 340T320 369T333 401T340 431T343 464Q343 527 309 573T212 619Q179 619 154 602T119 569T109 550Q109 549 114 549Q132 549 151 535T170 489Q170 464 154 447T109 429Z"></path></g></g></g></g></g></svg></mjx-container></span></td> <td style="text-align: left; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top: none !important; width: auto; vertical-align: middle; " class="_empty"></td> <td style="text-align: left; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top: none !important; width: auto; vertical-align: middle; " class="_empty"></td> </tr> <tr style="border-top: none !important; border-bottom: none !important;"> <td style="text-align: left; border-left-style: solid !important; border-left-width: 1px !important; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top: none !important; width: auto; vertical-align: middle; "><span class="math-inline "> <mjx-container class="MathJax" jax="SVG"><svg style="vertical-align: -0.339ex;" width="5.547ex" height="1.934ex" role="img" focusable="false" viewbox="0 -705 2451.6 855"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="msub"><g data-mml-node="TeXAtom" data-mjx-texclass="ORD"><g data-mml-node="mi"><path data-c="50" d="M130 622Q123 629 119 631T103 634T60 637H27V683H214Q237 683 276 683T331 684Q419 684 471 671T567 616Q624 563 624 489Q624 421 573 372T451 307Q429 302 328 301H234V181Q234 62 237 58Q245 47 304 46H337V0H326Q305 3 182 3Q47 3 38 0H27V46H60Q102 47 111 49T130 61V622ZM507 488Q507 514 506 528T500 564T483 597T450 620T397 635Q385 637 307 637H286Q237 637 234 628Q231 624 231 483V342H302H339Q390 342 423 349T481 382Q507 411 507 488Z"></path><path data-c="62" d="M307 -11Q234 -11 168 55L158 37Q156 34 153 28T147 17T143 10L138 1L118 0H98V298Q98 599 97 603Q94 622 83 628T38 637H20V660Q20 683 22 683L32 684Q42 685 61 686T98 688Q115 689 135 690T165 693T176 694H179V543Q179 391 180 391L183 394Q186 397 192 401T207 411T228 421T254 431T286 439T323 442Q401 442 461 379T522 216Q522 115 458 52T307 -11ZM182 98Q182 97 187 90T196 79T206 67T218 55T233 44T250 35T271 29T295 26Q330 26 363 46T412 113Q424 148 424 212Q424 287 412 323Q385 405 300 405Q270 405 239 390T188 347L182 339V98Z" transform="translate(681,0)"></path><path data-c="4F" d="M56 340Q56 423 86 494T164 610T270 680T388 705Q521 705 621 601T722 341Q722 260 693 191T617 75T510 4T388 -22T267 3T160 74T85 189T56 340ZM467 647Q426 665 388 665Q360 665 331 654T269 620T213 549T179 439Q174 411 174 354Q174 144 277 61Q327 20 385 20H389H391Q474 20 537 99Q603 188 603 354Q603 411 598 439Q577 592 467 647Z" transform="translate(1237,0)"></path></g></g><g data-mml-node="TeXAtom" transform="translate(2048,-150) scale(0.707)" data-mjx-texclass="ORD"><g data-mml-node="mn"><path data-c="32" d="M109 429Q82 429 66 447T50 491Q50 562 103 614T235 666Q326 666 387 610T449 465Q449 422 429 383T381 315T301 241Q265 210 201 149L142 93L218 92Q375 92 385 97Q392 99 409 186V189H449V186Q448 183 436 95T421 3V0H50V19V31Q50 38 56 46T86 81Q115 113 136 137Q145 147 170 174T204 211T233 244T261 278T284 308T305 340T320 369T333 401T340 431T343 464Q343 527 309 573T212 619Q179 619 154 602T119 569T109 550Q109 549 114 549Q132 549 151 535T170 489Q170 464 154 447T109 429Z"></path></g></g></g></g></g></svg></mjx-container></span></td> <td style="text-align: left; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top: none !important; width: auto; vertical-align: middle; " class="_empty"></td> <td style="text-align: left; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top: none !important; width: auto; vertical-align: middle; " class="_empty"></td> </tr> <tr style="border-top: none !important; border-bottom: none !important;"> <td style="text-align: left; border-left-style: solid !important; border-left-width: 1px !important; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top: none !important; width: auto; vertical-align: middle; "><span class="math-inline "> <mjx-container class="MathJax" jax="SVG"><svg style="vertical-align: -0.339ex;" width="4.225ex" height="1.934ex" role="img" focusable="false" viewbox="0 -705 1867.6 855"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="msub"><g data-mml-node="TeXAtom" data-mjx-texclass="ORD"><g data-mml-node="mi"><path data-c="4F" d="M56 340Q56 423 86 494T164 610T270 680T388 705Q521 705 621 601T722 341Q722 260 693 191T617 75T510 4T388 -22T267 3T160 74T85 189T56 340ZM467 647Q426 665 388 665Q360 665 331 654T269 620T213 549T179 439Q174 411 174 354Q174 144 277 61Q327 20 385 20H389H391Q474 20 537 99Q603 188 603 354Q603 411 598 439Q577 592 467 647Z"></path><path data-c="46" d="M128 619Q121 626 117 628T101 631T58 634H25V680H582V676Q584 670 596 560T610 444V440H570V444Q563 493 561 501Q555 538 543 563T516 601T477 622T431 631T374 633H334H286Q252 633 244 631T233 621Q232 619 232 490V363H284Q287 363 303 363T327 364T349 367T372 373T389 385Q407 403 410 459V480H450V200H410V221Q407 276 389 296Q381 303 371 307T348 313T327 316T303 317T284 317H232V189L233 61Q240 54 245 52T270 48T333 46H360V0H348Q324 3 182 3Q51 3 36 0H25V46H58Q100 47 109 49T128 61V619Z" transform="translate(778,0)"></path></g></g><g data-mml-node="TeXAtom" transform="translate(1464,-150) scale(0.707)" data-mjx-texclass="ORD"><g data-mml-node="mn"><path data-c="32" d="M109 429Q82 429 66 447T50 491Q50 562 103 614T235 666Q326 666 387 610T449 465Q449 422 429 383T381 315T301 241Q265 210 201 149L142 93L218 92Q375 92 385 97Q392 99 409 186V189H449V186Q448 183 436 95T421 3V0H50V19V31Q50 38 56 46T86 81Q115 113 136 137Q145 147 170 174T204 211T233 244T261 278T284 308T305 340T320 369T333 401T340 431T343 464Q343 527 309 573T212 619Q179 619 154 602T119 569T109 550Q109 549 114 549Q132 549 151 535T170 489Q170 464 154 447T109 429Z"></path></g></g></g></g></g></svg></mjx-container></span></td> <td style="text-align: left; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top: none !important; width: auto; vertical-align: middle; " class="_empty"></td> <td style="text-align: left; border-right-style: solid !important; border-right-width: 1px !important; border-bottom-style: solid !important; border-bottom-width: 1px !important; border-top: none !important; width: auto; vertical-align: middle; " class="_empty"></td> </tr> </tbody> </table> </div></div> <ol start="3"> <li>For each compound shown below, determine if the name or formula is incorrect, and write the correct form in the space provided:<br /> a) <span class="math-inline "> <mjx-container class="MathJax" jax="SVG"><svg style="vertical-align: -0.546ex;" width="7.902ex" height="2.166ex" role="img" focusable="false" viewbox="0 -716 3492.6 957.4"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="msub"><g data-mml-node="TeXAtom" data-mjx-texclass="ORD"><g data-mml-node="mi"><path data-c="41" d="M255 0Q240 3 140 3Q48 3 39 0H32V46H47Q119 49 139 88Q140 91 192 245T295 553T348 708Q351 716 366 716H376Q396 715 400 709Q402 707 508 390L617 67Q624 54 636 51T687 46H717V0H708Q699 3 581 3Q458 3 437 0H427V46H440Q510 46 510 64Q510 66 486 138L462 209H229L209 150Q189 91 189 85Q189 72 209 59T259 46H264V0H255ZM447 255L345 557L244 256Q244 255 345 255H447Z"></path><path data-c="67" d="M329 409Q373 453 429 453Q459 453 472 434T485 396Q485 382 476 371T449 360Q416 360 412 390Q410 404 415 411Q415 412 416 414V415Q388 412 363 393Q355 388 355 386Q355 385 359 381T368 369T379 351T388 325T392 292Q392 230 343 187T222 143Q172 143 123 171Q112 153 112 133Q112 98 138 81Q147 75 155 75T227 73Q311 72 335 67Q396 58 431 26Q470 -13 470 -72Q470 -139 392 -175Q332 -206 250 -206Q167 -206 107 -175Q29 -140 29 -75Q29 -39 50 -15T92 18L103 24Q67 55 67 108Q67 155 96 193Q52 237 52 292Q52 355 102 398T223 442Q274 442 318 416L329 409ZM299 343Q294 371 273 387T221 404Q192 404 171 388T145 343Q142 326 142 292Q142 248 149 227T179 192Q196 182 222 182Q244 182 260 189T283 207T294 227T299 242Q302 258 302 292T299 343ZM403 -75Q403 -50 389 -34T348 -11T299 -2T245 0H218Q151 0 138 -6Q118 -15 107 -34T95 -74Q95 -84 101 -97T122 -127T170 -155T250 -167Q319 -167 361 -139T403 -75Z" transform="translate(750,0)"></path></g></g><g data-mml-node="TeXAtom" transform="translate(1283,-241.4) scale(0.707)" data-mjx-texclass="ORD"><g data-mml-node="mn"><path data-c="32" d="M109 429Q82 429 66 447T50 491Q50 562 103 614T235 666Q326 666 387 610T449 465Q449 422 429 383T381 315T301 241Q265 210 201 149L142 93L218 92Q375 92 385 97Q392 99 409 186V189H449V186Q448 183 436 95T421 3V0H50V19V31Q50 38 56 46T86 81Q115 113 136 137Q145 147 170 174T204 211T233 244T261 278T284 308T305 340T320 369T333 401T340 431T343 464Q343 527 309 573T212 619Q179 619 154 602T119 569T109 550Q109 549 114 549Q132 549 151 535T170 489Q170 464 154 447T109 429Z"></path></g></g></g><g data-mml-node="TeXAtom" data-mjx-texclass="ORD" transform="translate(1686.6,0)"><g data-mml-node="mtext"><path data-c="A0" d=""></path></g><g data-mml-node="mi" transform="translate(250,0)"><path data-c="53" d="M55 507Q55 590 112 647T243 704H257Q342 704 405 641L426 672Q431 679 436 687T446 700L449 704Q450 704 453 704T459 705H463Q466 705 472 699V462L466 456H448Q437 456 435 459T430 479Q413 605 329 646Q292 662 254 662Q201 662 168 626T135 542Q135 508 152 480T200 435Q210 431 286 412T370 389Q427 367 463 314T500 191Q500 110 448 45T301 -21Q245 -21 201 -4T140 27L122 41Q118 36 107 21T87 -7T78 -21Q76 -22 68 -22H64Q61 -22 55 -16V101Q55 220 56 222Q58 227 76 227H89Q95 221 95 214Q95 182 105 151T139 90T205 42T305 24Q352 24 386 62T420 155Q420 198 398 233T340 281Q284 295 266 300Q261 301 239 306T206 314T174 325T141 343T112 367T85 402Q55 451 55 507Z"></path></g></g><g data-mml-node="mstyle" transform="translate(2492.6,0)"><g data-mml-node="mspace"></g></g></g></g></svg></mjx-container></span> Disilver sulfide<br /> b) <span class="math-inline "> <mjx-container class="MathJax" jax="SVG"><svg style="vertical-align: -0.466ex;" width="8.925ex" height="2.061ex" role="img" focusable="false" viewbox="0 -705 3945 911"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="TeXAtom" data-mjx-texclass="ORD"><g data-mml-node="mi"><path data-c="4D" d="M132 622Q125 629 121 631T105 634T62 637H29V683H135Q221 683 232 682T249 675Q250 674 354 398L458 124L562 398Q666 674 668 675Q671 681 683 682T781 683H887V637H854Q814 636 803 634T785 622V61Q791 51 802 49T854 46H887V0H876Q855 3 736 3Q605 3 596 0H585V46H618Q660 47 669 49T688 61V347Q688 424 688 461T688 546T688 613L687 632Q454 14 450 7Q446 1 430 1T410 7Q409 9 292 316L176 624V606Q175 588 175 543T175 463T175 356L176 86Q187 50 261 46H278V0H269Q254 3 154 3Q52 3 37 0H29V46H46Q78 48 98 56T122 69T132 86V622Z"></path><path data-c="67" d="M329 409Q373 453 429 453Q459 453 472 434T485 396Q485 382 476 371T449 360Q416 360 412 390Q410 404 415 411Q415 412 416 414V415Q388 412 363 393Q355 388 355 386Q355 385 359 381T368 369T379 351T388 325T392 292Q392 230 343 187T222 143Q172 143 123 171Q112 153 112 133Q112 98 138 81Q147 75 155 75T227 73Q311 72 335 67Q396 58 431 26Q470 -13 470 -72Q470 -139 392 -175Q332 -206 250 -206Q167 -206 107 -175Q29 -140 29 -75Q29 -39 50 -15T92 18L103 24Q67 55 67 108Q67 155 96 193Q52 237 52 292Q52 355 102 398T223 442Q274 442 318 416L329 409ZM299 343Q294 371 273 387T221 404Q192 404 171 388T145 343Q142 326 142 292Q142 248 149 227T179 192Q196 182 222 182Q244 182 260 189T283 207T294 227T299 242Q302 258 302 292T299 343ZM403 -75Q403 -50 389 -34T348 -11T299 -2T245 0H218Q151 0 138 -6Q118 -15 107 -34T95 -74Q95 -84 101 -97T122 -127T170 -155T250 -167Q319 -167 361 -139T403 -75Z" transform="translate(917,0)"></path><path data-c="4F" d="M56 340Q56 423 86 494T164 610T270 680T388 705Q521 705 621 601T722 341Q722 260 693 191T617 75T510 4T388 -22T267 3T160 74T85 189T56 340ZM467 647Q426 665 388 665Q360 665 331 654T269 620T213 549T179 439Q174 411 174 354Q174 144 277 61Q327 20 385 20H389H391Q474 20 537 99Q603 188 603 354Q603 411 598 439Q577 592 467 647Z" transform="translate(1417,0)"></path><path data-c="48" d="M128 622Q121 629 117 631T101 634T58 637H25V683H36Q57 680 180 680Q315 680 324 683H335V637H302Q262 636 251 634T233 622L232 500V378H517V622Q510 629 506 631T490 634T447 637H414V683H425Q446 680 569 680Q704 680 713 683H724V637H691Q651 636 640 634T622 622V61Q628 51 639 49T691 46H724V0H713Q692 3 569 3Q434 3 425 0H414V46H447Q489 47 498 49T517 61V332H232V197L233 61Q239 51 250 49T302 46H335V0H324Q303 3 180 3Q45 3 36 0H25V46H58Q100 47 109 49T128 61V622Z" transform="translate(2195,0)"></path></g></g><g data-mml-node="mstyle" transform="translate(2945,0)"><g data-mml-node="mspace"></g></g></g></g></svg></mjx-container></span> Magnesium hydroxide<br /> c) <span class="math-inline "> <mjx-container class="MathJax" jax="SVG"><svg style="vertical-align: -0.646ex;" width="9.957ex" height="2.342ex" role="img" focusable="false" viewbox="0 -750 4401.1 1035.4"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="TeXAtom" data-mjx-texclass="ORD"><g data-mml-node="mi"><path data-c="43" d="M56 342Q56 428 89 500T174 615T283 681T391 705Q394 705 400 705T408 704Q499 704 569 636L582 624L612 663Q639 700 643 704Q644 704 647 704T653 705H657Q660 705 666 699V419L660 413H626Q620 419 619 430Q610 512 571 572T476 651Q457 658 426 658Q322 658 252 588Q173 509 173 342Q173 221 211 151Q232 111 263 84T328 45T384 29T428 24Q517 24 571 93T626 244Q626 251 632 257H660L666 251V236Q661 133 590 56T403 -21Q262 -21 159 83T56 342Z"></path><path data-c="61" d="M137 305T115 305T78 320T63 359Q63 394 97 421T218 448Q291 448 336 416T396 340Q401 326 401 309T402 194V124Q402 76 407 58T428 40Q443 40 448 56T453 109V145H493V106Q492 66 490 59Q481 29 455 12T400 -6T353 12T329 54V58L327 55Q325 52 322 49T314 40T302 29T287 17T269 6T247 -2T221 -8T190 -11Q130 -11 82 20T34 107Q34 128 41 147T68 188T116 225T194 253T304 268H318V290Q318 324 312 340Q290 411 215 411Q197 411 181 410T156 406T148 403Q170 388 170 359Q170 334 154 320ZM126 106Q126 75 150 51T209 26Q247 26 276 49T315 109Q317 116 318 175Q318 233 317 233Q309 233 296 232T251 223T193 203T147 166T126 106Z" transform="translate(722,0)"></path></g></g><g data-mml-node="msub" transform="translate(1222,0)"><g data-mml-node="mrow"><g data-mml-node="mo"><path data-c="28" d="M94 250Q94 319 104 381T127 488T164 576T202 643T244 695T277 729T302 750H315H319Q333 750 333 741Q333 738 316 720T275 667T226 581T184 443T167 250T184 58T225 -81T274 -167T316 -220T333 -241Q333 -250 318 -250H315H302L274 -226Q180 -141 137 -14T94 250Z"></path></g><g data-mml-node="msub" transform="translate(389,0)"><g data-mml-node="TeXAtom" data-mjx-texclass="ORD"><g data-mml-node="mi"><path data-c="4E" d="M42 46Q74 48 94 56T118 69T128 86V634H124Q114 637 52 637H25V683H232L235 680Q237 679 322 554T493 303L578 178V598Q572 608 568 613T544 627T492 637H475V683H483Q498 680 600 680Q706 680 715 683H724V637H707Q634 633 622 598L621 302V6L614 0H600Q585 0 582 3T481 150T282 443T171 605V345L172 86Q183 50 257 46H274V0H265Q250 3 150 3Q48 3 33 0H25V46H42Z"></path><path data-c="4F" d="M56 340Q56 423 86 494T164 610T270 680T388 705Q521 705 621 601T722 341Q722 260 693 191T617 75T510 4T388 -22T267 3T160 74T85 189T56 340ZM467 647Q426 665 388 665Q360 665 331 654T269 620T213 549T179 439Q174 411 174 354Q174 144 277 61Q327 20 385 20H389H391Q474 20 537 99Q603 188 603 354Q603 411 598 439Q577 592 467 647Z" transform="translate(750,0)"></path></g></g><g data-mml-node="TeXAtom" transform="translate(1561,-150) scale(0.707)" data-mjx-texclass="ORD"><g data-mml-node="mn"><path data-c="33" d="M127 463Q100 463 85 480T69 524Q69 579 117 622T233 665Q268 665 277 664Q351 652 390 611T430 522Q430 470 396 421T302 350L299 348Q299 347 308 345T337 336T375 315Q457 262 457 175Q457 96 395 37T238 -22Q158 -22 100 21T42 130Q42 158 60 175T105 193Q133 193 151 175T169 130Q169 119 166 110T159 94T148 82T136 74T126 70T118 67L114 66Q165 21 238 21Q293 21 321 74Q338 107 338 175V195Q338 290 274 322Q259 328 213 329L171 330L168 332Q166 335 166 348Q166 366 174 366Q202 366 232 371Q266 376 294 413T322 525V533Q322 590 287 612Q265 626 240 626Q208 626 181 615T143 592T132 580H135Q138 579 143 578T153 573T165 566T175 555T183 540T186 520Q186 498 172 481T127 463Z"></path></g></g></g><g data-mml-node="mo" transform="translate(2353.6,0)"><path data-c="29" d="M60 749L64 750Q69 750 74 750H86L114 726Q208 641 251 514T294 250Q294 182 284 119T261 12T224 -76T186 -143T145 -194T113 -227T90 -246Q87 -249 86 -250H74Q66 -250 63 -250T58 -247T55 -238Q56 -237 66 -225Q221 -64 221 250T66 725Q56 737 55 738Q55 746 60 749Z"></path></g></g><g data-mml-node="TeXAtom" transform="translate(2775.6,-285.4) scale(0.707)" data-mjx-texclass="ORD"><g data-mml-node="mn"><path data-c="32" d="M109 429Q82 429 66 447T50 491Q50 562 103 614T235 666Q326 666 387 610T449 465Q449 422 429 383T381 315T301 241Q265 210 201 149L142 93L218 92Q375 92 385 97Q392 99 409 186V189H449V186Q448 183 436 95T421 3V0H50V19V31Q50 38 56 46T86 81Q115 113 136 137Q145 147 170 174T204 211T233 244T261 278T284 308T305 340T320 369T333 401T340 431T343 464Q343 527 309 573T212 619Q179 619 154 602T119 569T109 550Q109 549 114 549Q132 549 151 535T170 489Q170 464 154 447T109 429Z"></path></g></g></g></g></g></svg></mjx-container></span> Calcium (II) nitrate<br /> d) <span class="math-inline "> <mjx-container class="MathJax" jax="SVG"><svg style="vertical-align: -0.339ex;" width="7.526ex" height="1.934ex" role="img" focusable="false" viewbox="0 -705 3326.6 855"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="msub"><g data-mml-node="TeXAtom" data-mjx-texclass="ORD"><g data-mml-node="mi"><path data-c="53" d="M55 507Q55 590 112 647T243 704H257Q342 704 405 641L426 672Q431 679 436 687T446 700L449 704Q450 704 453 704T459 705H463Q466 705 472 699V462L466 456H448Q437 456 435 459T430 479Q413 605 329 646Q292 662 254 662Q201 662 168 626T135 542Q135 508 152 480T200 435Q210 431 286 412T370 389Q427 367 463 314T500 191Q500 110 448 45T301 -21Q245 -21 201 -4T140 27L122 41Q118 36 107 21T87 -7T78 -21Q76 -22 68 -22H64Q61 -22 55 -16V101Q55 220 56 222Q58 227 76 227H89Q95 221 95 214Q95 182 105 151T139 90T205 42T305 24Q352 24 386 62T420 155Q420 198 398 233T340 281Q284 295 266 300Q261 301 239 306T206 314T174 325T141 343T112 367T85 402Q55 451 55 507Z"></path><path data-c="6E" d="M41 46H55Q94 46 102 60V68Q102 77 102 91T102 122T103 161T103 203Q103 234 103 269T102 328V351Q99 370 88 376T43 385H25V408Q25 431 27 431L37 432Q47 433 65 434T102 436Q119 437 138 438T167 441T178 442H181V402Q181 364 182 364T187 369T199 384T218 402T247 421T285 437Q305 442 336 442Q450 438 463 329Q464 322 464 190V104Q464 66 466 59T477 49Q498 46 526 46H542V0H534L510 1Q487 2 460 2T422 3Q319 3 310 0H302V46H318Q379 46 379 62Q380 64 380 200Q379 335 378 343Q372 371 358 385T334 402T308 404Q263 404 229 370Q202 343 195 315T187 232V168V108Q187 78 188 68T191 55T200 49Q221 46 249 46H265V0H257L234 1Q210 2 183 2T145 3Q42 3 33 0H25V46H41Z" transform="translate(556,0)"></path><path data-c="4F" d="M56 340Q56 423 86 494T164 610T270 680T388 705Q521 705 621 601T722 341Q722 260 693 191T617 75T510 4T388 -22T267 3T160 74T85 189T56 340ZM467 647Q426 665 388 665Q360 665 331 654T269 620T213 549T179 439Q174 411 174 354Q174 144 277 61Q327 20 385 20H389H391Q474 20 537 99Q603 188 603 354Q603 411 598 439Q577 592 467 647Z" transform="translate(1112,0)"></path></g></g><g data-mml-node="TeXAtom" transform="translate(1923,-150) scale(0.707)" data-mjx-texclass="ORD"><g data-mml-node="mn"><path data-c="32" d="M109 429Q82 429 66 447T50 491Q50 562 103 614T235 666Q326 666 387 610T449 465Q449 422 429 383T381 315T301 241Q265 210 201 149L142 93L218 92Q375 92 385 97Q392 99 409 186V189H449V186Q448 183 436 95T421 3V0H50V19V31Q50 38 56 46T86 81Q115 113 136 137Q145 147 170 174T204 211T233 244T261 278T284 308T305 340T320 369T333 401T340 431T343 464Q343 527 309 573T212 619Q179 619 154 602T119 569T109 550Q109 549 114 549Q132 549 151 535T170 489Q170 464 154 447T109 429Z"></path></g></g></g><g data-mml-node="mstyle" transform="translate(2326.6,0)"><g data-mml-node="mspace"></g></g></g></g></svg></mjx-container></span> Tin (II) oxide<br /> e) PbS Lead sulfide<br /> f) <span class="math-inline "> <mjx-container class="MathJax" jax="SVG"><svg style="vertical-align: -0.339ex;" width="8.153ex" height="1.934ex" role="img" focusable="false" viewbox="0 -705 3603.6 855"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="msub"><g data-mml-node="TeXAtom" data-mjx-texclass="ORD"><g data-mml-node="mi"><path data-c="5A" d="M69 443Q69 452 74 554T80 683H549Q555 677 555 664Q555 649 554 648Q552 645 366 348T179 50T192 49T263 49H275H302Q333 49 353 50T401 59T447 78T482 115T507 173Q513 200 520 273V282H560V274Q560 272 552 143T543 8V0H302L61 1L58 3Q55 8 55 21V35Q59 43 153 193T340 489T432 637H343Q259 637 214 625T141 573Q109 523 109 445Q109 443 89 443H69Z"></path><path data-c="6E" d="M41 46H55Q94 46 102 60V68Q102 77 102 91T102 122T103 161T103 203Q103 234 103 269T102 328V351Q99 370 88 376T43 385H25V408Q25 431 27 431L37 432Q47 433 65 434T102 436Q119 437 138 438T167 441T178 442H181V402Q181 364 182 364T187 369T199 384T218 402T247 421T285 437Q305 442 336 442Q450 438 463 329Q464 322 464 190V104Q464 66 466 59T477 49Q498 46 526 46H542V0H534L510 1Q487 2 460 2T422 3Q319 3 310 0H302V46H318Q379 46 379 62Q380 64 380 200Q379 335 378 343Q372 371 358 385T334 402T308 404Q263 404 229 370Q202 343 195 315T187 232V168V108Q187 78 188 68T191 55T200 49Q221 46 249 46H265V0H257L234 1Q210 2 183 2T145 3Q42 3 33 0H25V46H41Z" transform="translate(611,0)"></path><path data-c="43" d="M56 342Q56 428 89 500T174 615T283 681T391 705Q394 705 400 705T408 704Q499 704 569 636L582 624L612 663Q639 700 643 704Q644 704 647 704T653 705H657Q660 705 666 699V419L660 413H626Q620 419 619 430Q610 512 571 572T476 651Q457 658 426 658Q322 658 252 588Q173 509 173 342Q173 221 211 151Q232 111 263 84T328 45T384 29T428 24Q517 24 571 93T626 244Q626 251 632 257H660L666 251V236Q661 133 590 56T403 -21Q262 -21 159 83T56 342Z" transform="translate(1167,0)"></path><path data-c="6C" d="M42 46H56Q95 46 103 60V68Q103 77 103 91T103 124T104 167T104 217T104 272T104 329Q104 366 104 407T104 482T104 542T103 586T103 603Q100 622 89 628T44 637H26V660Q26 683 28 683L38 684Q48 685 67 686T104 688Q121 689 141 690T171 693T182 694H185V379Q185 62 186 60Q190 52 198 49Q219 46 247 46H263V0H255L232 1Q209 2 183 2T145 3T107 3T57 1L34 0H26V46H42Z" transform="translate(1889,0)"></path></g></g><g data-mml-node="TeXAtom" transform="translate(2200,-150) scale(0.707)" data-mjx-texclass="ORD"><g data-mml-node="mn"><path data-c="32" d="M109 429Q82 429 66 447T50 491Q50 562 103 614T235 666Q326 666 387 610T449 465Q449 422 429 383T381 315T301 241Q265 210 201 149L142 93L218 92Q375 92 385 97Q392 99 409 186V189H449V186Q448 183 436 95T421 3V0H50V19V31Q50 38 56 46T86 81Q115 113 136 137Q145 147 170 174T204 211T233 244T261 278T284 308T305 340T320 369T333 401T340 431T343 464Q343 527 309 573T212 619Q179 619 154 602T119 569T109 550Q109 549 114 549Q132 549 151 535T170 489Q170 464 154 447T109 429Z"></path></g></g></g><g data-mml-node="mstyle" transform="translate(2603.6,0)"><g data-mml-node="mspace"></g></g></g></g></svg></mjx-container></span> Zinc dichloride<br /> g) <span class="math-inline "> <mjx-container class="MathJax" jax="SVG"><svg style="vertical-align: -0.339ex;" width="6.268ex" height="1.934ex" role="img" focusable="false" viewbox="0 -705 2770.6 855"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="msub"><g data-mml-node="TeXAtom" data-mjx-texclass="ORD"><g data-mml-node="mi"><path data-c="53" d="M55 507Q55 590 112 647T243 704H257Q342 704 405 641L426 672Q431 679 436 687T446 700L449 704Q450 704 453 704T459 705H463Q466 705 472 699V462L466 456H448Q437 456 435 459T430 479Q413 605 329 646Q292 662 254 662Q201 662 168 626T135 542Q135 508 152 480T200 435Q210 431 286 412T370 389Q427 367 463 314T500 191Q500 110 448 45T301 -21Q245 -21 201 -4T140 27L122 41Q118 36 107 21T87 -7T78 -21Q76 -22 68 -22H64Q61 -22 55 -16V101Q55 220 56 222Q58 227 76 227H89Q95 221 95 214Q95 182 105 151T139 90T205 42T305 24Q352 24 386 62T420 155Q420 198 398 233T340 281Q284 295 266 300Q261 301 239 306T206 314T174 325T141 343T112 367T85 402Q55 451 55 507Z"></path><path data-c="4F" d="M56 340Q56 423 86 494T164 610T270 680T388 705Q521 705 621 601T722 341Q722 260 693 191T617 75T510 4T388 -22T267 3T160 74T85 189T56 340ZM467 647Q426 665 388 665Q360 665 331 654T269 620T213 549T179 439Q174 411 174 354Q174 144 277 61Q327 20 385 20H389H391Q474 20 537 99Q603 188 603 354Q603 411 598 439Q577 592 467 647Z" transform="translate(556,0)"></path></g></g><g data-mml-node="TeXAtom" transform="translate(1367,-150) scale(0.707)" data-mjx-texclass="ORD"><g data-mml-node="mn"><path data-c="32" d="M109 429Q82 429 66 447T50 491Q50 562 103 614T235 666Q326 666 387 610T449 465Q449 422 429 383T381 315T301 241Q265 210 201 149L142 93L218 92Q375 92 385 97Q392 99 409 186V189H449V186Q448 183 436 95T421 3V0H50V19V31Q50 38 56 46T86 81Q115 113 136 137Q145 147 170 174T204 211T233 244T261 278T284 308T305 340T320 369T333 401T340 431T343 464Q343 527 309 573T212 619Q179 619 154 602T119 569T109 550Q109 549 114 549Q132 549 151 535T170 489Q170 464 154 447T109 429Z"></path></g></g></g><g data-mml-node="mstyle" transform="translate(1770.6,0)"><g data-mml-node="mspace"></g></g></g></g></svg></mjx-container></span> Sodium dioxide<br /> h) <span class="math-inline "> <mjx-container class="MathJax" jax="SVG"><svg style="vertical-align: -0.339ex;" width="9.033ex" height="1.934ex" role="img" focusable="false" viewbox="0 -705 3992.6 855"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="msub"><g data-mml-node="TeXAtom" data-mjx-texclass="ORD"><g data-mml-node="mi"><path data-c="43" d="M56 342Q56 428 89 500T174 615T283 681T391 705Q394 705 400 705T408 704Q499 704 569 636L582 624L612 663Q639 700 643 704Q644 704 647 704T653 705H657Q660 705 666 699V419L660 413H626Q620 419 619 430Q610 512 571 572T476 651Q457 658 426 658Q322 658 252 588Q173 509 173 342Q173 221 211 151Q232 111 263 84T328 45T384 29T428 24Q517 24 571 93T626 244Q626 251 632 257H660L666 251V236Q661 133 590 56T403 -21Q262 -21 159 83T56 342Z"></path><path data-c="61" d="M137 305T115 305T78 320T63 359Q63 394 97 421T218 448Q291 448 336 416T396 340Q401 326 401 309T402 194V124Q402 76 407 58T428 40Q443 40 448 56T453 109V145H493V106Q492 66 490 59Q481 29 455 12T400 -6T353 12T329 54V58L327 55Q325 52 322 49T314 40T302 29T287 17T269 6T247 -2T221 -8T190 -11Q130 -11 82 20T34 107Q34 128 41 147T68 188T116 225T194 253T304 268H318V290Q318 324 312 340Q290 411 215 411Q197 411 181 410T156 406T148 403Q170 388 170 359Q170 334 154 320ZM126 106Q126 75 150 51T209 26Q247 26 276 49T315 109Q317 116 318 175Q318 233 317 233Q309 233 296 232T251 223T193 203T147 166T126 106Z" transform="translate(722,0)"></path><path data-c="53" d="M55 507Q55 590 112 647T243 704H257Q342 704 405 641L426 672Q431 679 436 687T446 700L449 704Q450 704 453 704T459 705H463Q466 705 472 699V462L466 456H448Q437 456 435 459T430 479Q413 605 329 646Q292 662 254 662Q201 662 168 626T135 542Q135 508 152 480T200 435Q210 431 286 412T370 389Q427 367 463 314T500 191Q500 110 448 45T301 -21Q245 -21 201 -4T140 27L122 41Q118 36 107 21T87 -7T78 -21Q76 -22 68 -22H64Q61 -22 55 -16V101Q55 220 56 222Q58 227 76 227H89Q95 221 95 214Q95 182 105 151T139 90T205 42T305 24Q352 24 386 62T420 155Q420 198 398 233T340 281Q284 295 266 300Q261 301 239 306T206 314T174 325T141 343T112 367T85 402Q55 451 55 507Z" transform="translate(1222,0)"></path><path data-c="4F" d="M56 340Q56 423 86 494T164 610T270 680T388 705Q521 705 621 601T722 341Q722 260 693 191T617 75T510 4T388 -22T267 3T160 74T85 189T56 340ZM467 647Q426 665 388 665Q360 665 331 654T269 620T213 549T179 439Q174 411 174 354Q174 144 277 61Q327 20 385 20H389H391Q474 20 537 99Q603 188 603 354Q603 411 598 439Q577 592 467 647Z" transform="translate(1778,0)"></path></g></g><g data-mml-node="TeXAtom" transform="translate(2589,-150) scale(0.707)" data-mjx-texclass="ORD"><g data-mml-node="mn"><path data-c="34" d="M462 0Q444 3 333 3Q217 3 199 0H190V46H221Q241 46 248 46T265 48T279 53T286 61Q287 63 287 115V165H28V211L179 442Q332 674 334 675Q336 677 355 677H373L379 671V211H471V165H379V114Q379 73 379 66T385 54Q393 47 442 46H471V0H462ZM293 211V545L74 212L183 211H293Z"></path></g></g></g><g data-mml-node="mstyle" transform="translate(2992.6,0)"><g data-mml-node="mspace"></g></g></g></g></svg></mjx-container></span> Calcium sulfide<br /> i) <span class="math-inline "> <mjx-container class="MathJax" jax="SVG"><svg style="vertical-align: -0.339ex;" width="5.481ex" height="1.934ex" role="img" focusable="false" viewbox="0 -705 2422.6 855"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="msub"><g data-mml-node="TeXAtom" data-mjx-texclass="ORD"><g data-mml-node="mi"><path data-c="42" d="M131 622Q124 629 120 631T104 634T61 637H28V683H229H267H346Q423 683 459 678T531 651Q574 627 599 590T624 512Q624 461 583 419T476 360L466 357Q539 348 595 302T651 187Q651 119 600 67T469 3Q456 1 242 0H28V46H61Q103 47 112 49T131 61V622ZM511 513Q511 560 485 594T416 636Q415 636 403 636T371 636T333 637Q266 637 251 636T232 628Q229 624 229 499V374H312L396 375L406 377Q410 378 417 380T442 393T474 417T499 456T511 513ZM537 188Q537 239 509 282T430 336L329 337H229V200V116Q229 57 234 52Q240 47 334 47H383Q425 47 443 53Q486 67 511 104T537 188Z"></path><path data-c="61" d="M137 305T115 305T78 320T63 359Q63 394 97 421T218 448Q291 448 336 416T396 340Q401 326 401 309T402 194V124Q402 76 407 58T428 40Q443 40 448 56T453 109V145H493V106Q492 66 490 59Q481 29 455 12T400 -6T353 12T329 54V58L327 55Q325 52 322 49T314 40T302 29T287 17T269 6T247 -2T221 -8T190 -11Q130 -11 82 20T34 107Q34 128 41 147T68 188T116 225T194 253T304 268H318V290Q318 324 312 340Q290 411 215 411Q197 411 181 410T156 406T148 403Q170 388 170 359Q170 334 154 320ZM126 106Q126 75 150 51T209 26Q247 26 276 49T315 109Q317 116 318 175Q318 233 317 233Q309 233 296 232T251 223T193 203T147 166T126 106Z" transform="translate(708,0)"></path></g></g><g data-mml-node="TeXAtom" transform="translate(1241,-150) scale(0.707)" data-mjx-texclass="ORD"><g data-mml-node="mn"><path data-c="32" d="M109 429Q82 429 66 447T50 491Q50 562 103 614T235 666Q326 666 387 610T449 465Q449 422 429 383T381 315T301 241Q265 210 201 149L142 93L218 92Q375 92 385 97Q392 99 409 186V189H449V186Q448 183 436 95T421 3V0H50V19V31Q50 38 56 46T86 81Q115 113 136 137Q145 147 170 174T204 211T233 244T261 278T284 308T305 340T320 369T333 401T340 431T343 464Q343 527 309 573T212 619Q179 619 154 602T119 569T109 550Q109 549 114 549Q132 549 151 535T170 489Q170 464 154 447T109 429Z"></path></g></g></g><g data-mml-node="TeXAtom" data-mjx-texclass="ORD" transform="translate(1644.6,0)"><g data-mml-node="mi"><path data-c="4F" d="M56 340Q56 423 86 494T164 610T270 680T388 705Q521 705 621 601T722 341Q722 260 693 191T617 75T510 4T388 -22T267 3T160 74T85 189T56 340ZM467 647Q426 665 388 665Q360 665 331 654T269 620T213 549T179 439Q174 411 174 354Q174 144 277 61Q327 20 385 20H389H391Q474 20 537 99Q603 188 603 354Q603 411 598 439Q577 592 467 647Z"></path></g></g></g></g></svg></mjx-container></span> Barium oxide<br /> j) <span class="math-inline "> <mjx-container class="MathJax" jax="SVG"><svg style="vertical-align: -0.339ex;" width="5.639ex" height="1.934ex" role="img" focusable="false" viewbox="0 -705 2492.6 855"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="msub"><g data-mml-node="TeXAtom" data-mjx-texclass="ORD"><g data-mml-node="mi"><path data-c="43" d="M56 342Q56 428 89 500T174 615T283 681T391 705Q394 705 400 705T408 704Q499 704 569 636L582 624L612 663Q639 700 643 704Q644 704 647 704T653 705H657Q660 705 666 699V419L660 413H626Q620 419 619 430Q610 512 571 572T476 651Q457 658 426 658Q322 658 252 588Q173 509 173 342Q173 221 211 151Q232 111 263 84T328 45T384 29T428 24Q517 24 571 93T626 244Q626 251 632 257H660L666 251V236Q661 133 590 56T403 -21Q262 -21 159 83T56 342Z"></path><path data-c="75" d="M383 58Q327 -10 256 -10H249Q124 -10 105 89Q104 96 103 226Q102 335 102 348T96 369Q86 385 36 385H25V408Q25 431 27 431L38 432Q48 433 67 434T105 436Q122 437 142 438T172 441T184 442H187V261Q188 77 190 64Q193 49 204 40Q224 26 264 26Q290 26 311 35T343 58T363 90T375 120T379 144Q379 145 379 161T380 201T380 248V315Q380 361 370 372T320 385H302V431Q304 431 378 436T457 442H464V264Q464 84 465 81Q468 61 479 55T524 46H542V0Q540 0 467 -5T390 -11H383V58Z" transform="translate(722,0)"></path></g></g><g data-mml-node="TeXAtom" transform="translate(1311,-150) scale(0.707)" data-mjx-texclass="ORD"><g data-mml-node="mn"><path data-c="32" d="M109 429Q82 429 66 447T50 491Q50 562 103 614T235 666Q326 666 387 610T449 465Q449 422 429 383T381 315T301 241Q265 210 201 149L142 93L218 92Q375 92 385 97Q392 99 409 186V189H449V186Q448 183 436 95T421 3V0H50V19V31Q50 38 56 46T86 81Q115 113 136 137Q145 147 170 174T204 211T233 244T261 278T284 308T305 340T320 369T333 401T340 431T343 464Q343 527 309 573T212 619Q179 619 154 602T119 569T109 550Q109 549 114 549Q132 549 151 535T170 489Q170 464 154 447T109 429Z"></path></g></g></g><g data-mml-node="TeXAtom" data-mjx-texclass="ORD" transform="translate(1714.6,0)"><g data-mml-node="mi"><path data-c="4F" d="M56 340Q56 423 86 494T164 610T270 680T388 705Q521 705 621 601T722 341Q722 260 693 191T617 75T510 4T388 -22T267 3T160 74T85 189T56 340ZM467 647Q426 665 388 665Q360 665 331 654T269 620T213 549T179 439Q174 411 174 354Q174 144 277 61Q327 20 385 20H389H391Q474 20 537 99Q603 188 603 354Q603 411 598 439Q577 592 467 647Z"></path></g></g></g></g></svg></mjx-container></span> Copper (II) oxide</li> <li>Balance the following equations by providing the missing coefficients:<br /> a) <span class="math-inline "> <mjx-container class="MathJax" jax="SVG"><svg style="vertical-align: -0.375ex;" width="33.05ex" height="1.97ex" role="img" focusable="false" viewbox="0 -705 14608.2 870.6"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mstyle"><g data-mml-node="mspace"></g></g><g data-mml-node="mi" transform="translate(1000,0)"><path data-c="5F" d="M0 -62V-25H499V-62H0Z"></path></g><g data-mml-node="mi" transform="translate(1500,0)"><path data-c="5F" d="M0 -62V-25H499V-62H0Z"></path></g><g data-mml-node="msub" transform="translate(2000,0)"><g data-mml-node="TeXAtom" data-mjx-texclass="ORD"><g data-mml-node="mi"><path data-c="4E" d="M42 46Q74 48 94 56T118 69T128 86V634H124Q114 637 52 637H25V683H232L235 680Q237 679 322 554T493 303L578 178V598Q572 608 568 613T544 627T492 637H475V683H483Q498 680 600 680Q706 680 715 683H724V637H707Q634 633 622 598L621 302V6L614 0H600Q585 0 582 3T481 150T282 443T171 605V345L172 86Q183 50 257 46H274V0H265Q250 3 150 3Q48 3 33 0H25V46H42Z"></path><path data-c="48" d="M128 622Q121 629 117 631T101 634T58 637H25V683H36Q57 680 180 680Q315 680 324 683H335V637H302Q262 636 251 634T233 622L232 500V378H517V622Q510 629 506 631T490 634T447 637H414V683H425Q446 680 569 680Q704 680 713 683H724V637H691Q651 636 640 634T622 622V61Q628 51 639 49T691 46H724V0H713Q692 3 569 3Q434 3 425 0H414V46H447Q489 47 498 49T517 61V332H232V197L233 61Q239 51 250 49T302 46H335V0H324Q303 3 180 3Q45 3 36 0H25V46H58Q100 47 109 49T128 61V622Z" transform="translate(750,0)"></path></g></g><g data-mml-node="TeXAtom" transform="translate(1533,-150) scale(0.707)" data-mjx-texclass="ORD"><g data-mml-node="mn"><path data-c="34" d="M462 0Q444 3 333 3Q217 3 199 0H190V46H221Q241 46 248 46T265 48T279 53T286 61Q287 63 287 115V165H28V211L179 442Q332 674 334 675Q336 677 355 677H373L379 671V211H471V165H379V114Q379 73 379 66T385 54Q393 47 442 46H471V0H462ZM293 211V545L74 212L183 211H293Z"></path></g></g></g><g data-mml-node="msub" transform="translate(3936.6,0)"><g data-mml-node="TeXAtom" data-mjx-texclass="ORD"><g data-mml-node="mi"><path data-c="4E" d="M42 46Q74 48 94 56T118 69T128 86V634H124Q114 637 52 637H25V683H232L235 680Q237 679 322 554T493 303L578 178V598Q572 608 568 613T544 627T492 637H475V683H483Q498 680 600 680Q706 680 715 683H724V637H707Q634 633 622 598L621 302V6L614 0H600Q585 0 582 3T481 150T282 443T171 605V345L172 86Q183 50 257 46H274V0H265Q250 3 150 3Q48 3 33 0H25V46H42Z"></path><path data-c="4F" d="M56 340Q56 423 86 494T164 610T270 680T388 705Q521 705 621 601T722 341Q722 260 693 191T617 75T510 4T388 -22T267 3T160 74T85 189T56 340ZM467 647Q426 665 388 665Q360 665 331 654T269 620T213 549T179 439Q174 411 174 354Q174 144 277 61Q327 20 385 20H389H391Q474 20 537 99Q603 188 603 354Q603 411 598 439Q577 592 467 647Z" transform="translate(750,0)"></path></g></g><g data-mml-node="TeXAtom" transform="translate(1561,-150) scale(0.707)" data-mjx-texclass="ORD"><g data-mml-node="mn"><path data-c="33" d="M127 463Q100 463 85 480T69 524Q69 579 117 622T233 665Q268 665 277 664Q351 652 390 611T430 522Q430 470 396 421T302 350L299 348Q299 347 308 345T337 336T375 315Q457 262 457 175Q457 96 395 37T238 -22Q158 -22 100 21T42 130Q42 158 60 175T105 193Q133 193 151 175T169 130Q169 119 166 110T159 94T148 82T136 74T126 70T118 67L114 66Q165 21 238 21Q293 21 321 74Q338 107 338 175V195Q338 290 274 322Q259 328 213 329L171 330L168 332Q166 335 166 348Q166 366 174 366Q202 366 232 371Q266 376 294 413T322 525V533Q322 590 287 612Q265 626 240 626Q208 626 181 615T143 592T132 580H135Q138 579 143 578T153 573T165 566T175 555T183 540T186 520Q186 498 172 481T127 463Z"></path></g></g></g><g data-mml-node="mo" transform="translate(6178.9,0)"><path data-c="2192" d="M56 237T56 250T70 270H835Q719 357 692 493Q692 494 692 496T691 499Q691 511 708 511H711Q720 511 723 510T729 506T732 497T735 481T743 456Q765 389 816 336T935 261Q944 258 944 250Q944 244 939 241T915 231T877 212Q836 186 806 152T761 85T740 35T732 4Q730 -6 727 -8T711 -11Q691 -11 691 0Q691 7 696 25Q728 151 835 230H70Q56 237 56 250Z"></path></g><g data-mml-node="mi" transform="translate(7456.7,0)"><path data-c="5F" d="M0 -62V-25H499V-62H0Z"></path></g><g data-mml-node="mi" transform="translate(7956.7,0)"><path data-c="5F" d="M0 -62V-25H499V-62H0Z"></path></g><g data-mml-node="msub" transform="translate(8456.7,0)"><g data-mml-node="TeXAtom" data-mjx-texclass="ORD"><g data-mml-node="mi"><path data-c="4E" d="M42 46Q74 48 94 56T118 69T128 86V634H124Q114 637 52 637H25V683H232L235 680Q237 679 322 554T493 303L578 178V598Q572 608 568 613T544 627T492 637H475V683H483Q498 680 600 680Q706 680 715 683H724V637H707Q634 633 622 598L621 302V6L614 0H600Q585 0 582 3T481 150T282 443T171 605V345L172 86Q183 50 257 46H274V0H265Q250 3 150 3Q48 3 33 0H25V46H42Z"></path></g></g><g data-mml-node="TeXAtom" transform="translate(783,-150) scale(0.707)" data-mjx-texclass="ORD"><g data-mml-node="mn"><path data-c="32" d="M109 429Q82 429 66 447T50 491Q50 562 103 614T235 666Q326 666 387 610T449 465Q449 422 429 383T381 315T301 241Q265 210 201 149L142 93L218 92Q375 92 385 97Q392 99 409 186V189H449V186Q448 183 436 95T421 3V0H50V19V31Q50 38 56 46T86 81Q115 113 136 137Q145 147 170 174T204 211T233 244T261 278T284 308T305 340T320 369T333 401T340 431T343 464Q343 527 309 573T212 619Q179 619 154 602T119 569T109 550Q109 549 114 549Q132 549 151 535T170 489Q170 464 154 447T109 429Z"></path></g></g></g><g data-mml-node="TeXAtom" data-mjx-texclass="ORD" transform="translate(9643.2,0)"><g data-mml-node="mi"><path data-c="4F" d="M56 340Q56 423 86 494T164 610T270 680T388 705Q521 705 621 601T722 341Q722 260 693 191T617 75T510 4T388 -22T267 3T160 74T85 189T56 340ZM467 647Q426 665 388 665Q360 665 331 654T269 620T213 549T179 439Q174 411 174 354Q174 144 277 61Q327 20 385 20H389H391Q474 20 537 99Q603 188 603 354Q603 411 598 439Q577 592 467 647Z"></path></g></g><g data-mml-node="mo" transform="translate(10643.4,0)"><path data-c="2B" d="M56 237T56 250T70 270H369V420L370 570Q380 583 389 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411 598 439Q577 592 467 647Z"></path></g></g></g></g></svg></mjx-container></span><br /> b) <span class="math-inline "> <mjx-container class="MathJax" jax="SVG"><svg style="vertical-align: -0.581ex;" width="44.912ex" height="2.278ex" role="img" focusable="false" viewbox="0 -750 19851.2 1006.9"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mstyle"><g data-mml-node="mspace"></g></g><g data-mml-node="mi" transform="translate(1000,0)"><path data-c="5F" d="M0 -62V-25H499V-62H0Z"></path></g><g data-mml-node="mi" transform="translate(1500,0)"><path data-c="5F" d="M0 -62V-25H499V-62H0Z"></path></g><g data-mml-node="msub" transform="translate(2000,0)"><g data-mml-node="TeXAtom" data-mjx-texclass="ORD"><g data-mml-node="mi"><path data-c="4D" d="M132 622Q125 629 121 631T105 634T62 637H29V683H135Q221 683 232 682T249 675Q250 674 354 398L458 124L562 398Q666 674 668 675Q671 681 683 682T781 683H887V637H854Q814 636 803 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598 439Q577 592 467 647Z" transform="translate(681,0)"></path></g></g><g data-mml-node="TeXAtom" transform="translate(1492,-150) scale(0.707)" data-mjx-texclass="ORD"><g data-mml-node="mn"><path data-c="34" d="M462 0Q444 3 333 3Q217 3 199 0H190V46H221Q241 46 248 46T265 48T279 53T286 61Q287 63 287 115V165H28V211L179 442Q332 674 334 675Q336 677 355 677H373L379 671V211H471V165H379V114Q379 73 379 66T385 54Q393 47 442 46H471V0H462ZM293 211V545L74 212L183 211H293Z"></path></g></g></g><g data-mml-node="mo" transform="translate(15503.1,0)"><path data-c="2B" d="M56 237T56 250T70 270H369V420L370 570Q380 583 389 583Q402 583 409 568V270H707Q722 262 722 250T707 230H409V-68Q401 -82 391 -82H389H387Q375 -82 369 -68V230H70Q56 237 56 250Z"></path></g><g data-mml-node="mi" transform="translate(16503.3,0)"><path data-c="5F" d="M0 -62V-25H499V-62H0Z"></path></g><g data-mml-node="TeXAtom" data-mjx-texclass="ORD" transform="translate(17003.3,0)"><g data-mml-node="mi"><path data-c="48" d="M128 622Q121 629 117 631T101 634T58 637H25V683H36Q57 680 180 680Q315 680 324 683H335V637H302Q262 636 251 634T233 622L232 500V378H517V622Q510 629 506 631T490 634T447 637H414V683H425Q446 680 569 680Q704 680 713 683H724V637H691Q651 636 640 634T622 622V61Q628 51 639 49T691 46H724V0H713Q692 3 569 3Q434 3 425 0H414V46H447Q489 47 498 49T517 61V332H232V197L233 61Q239 51 250 49T302 46H335V0H324Q303 3 180 3Q45 3 36 0H25V46H58Q100 47 109 49T128 61V622Z"></path><path data-c="43" d="M56 342Q56 428 89 500T174 615T283 681T391 705Q394 705 400 705T408 704Q499 704 569 636L582 624L612 663Q639 700 643 704Q644 704 647 704T653 705H657Q660 705 666 699V419L660 413H626Q620 419 619 430Q610 512 571 572T476 651Q457 658 426 658Q322 658 252 588Q173 509 173 342Q173 221 211 151Q232 111 263 84T328 45T384 29T428 24Q517 24 571 93T626 244Q626 251 632 257H660L666 251V236Q661 133 590 56T403 -21Q262 -21 159 83T56 342Z" transform="translate(750,0)"></path><path data-c="6C" d="M42 46H56Q95 46 103 60V68Q103 77 103 91T103 124T104 167T104 217T104 272T104 329Q104 366 104 407T104 482T104 542T103 586T103 603Q100 622 89 628T44 637H26V660Q26 683 28 683L38 684Q48 685 67 686T104 688Q121 689 141 690T171 693T182 694H185V379Q185 62 186 60Q190 52 198 49Q219 46 247 46H263V0H255L232 1Q209 2 183 2T145 3T107 3T57 1L34 0H26V46H42Z" transform="translate(1472,0)"></path></g></g></g></g></svg></mjx-container></span></li> <li>Write a balanced equation for each reaction described below. Include state designations:<br /> a) When an aqueous solution of potassium dichromate is added to and aqueous solution of lead(II) nitrate, solid lead(II) dichromate and aqueous potassium nitrate are formed.<br /> b) When chlorine gas is bubbled though an aqueous solution of potassium bromide, bromine gas and aqueous potassium chloride are formed.<br /> c) When zinc metal is reaction with aqueous nitric acid, the reaction produces nitrogen gas, water and aqueous zinc nitrate.</li> <li>What mass of chlorine is present in 12.2 g of <span class="math-inline "> <mjx-container class="MathJax" jax="SVG"><svg style="vertical-align: -0.339ex;" width="6.049ex" height="1.934ex" role="img" focusable="false" viewbox="0 -705 2673.6 855"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="msub"><g data-mml-node="TeXAtom" data-mjx-texclass="ORD"><g data-mml-node="mi"><path data-c="50" d="M130 622Q123 629 119 631T103 634T60 637H27V683H214Q237 683 276 683T331 684Q419 684 471 671T567 616Q624 563 624 489Q624 421 573 372T451 307Q429 302 328 301H234V181Q234 62 237 58Q245 47 304 46H337V0H326Q305 3 182 3Q47 3 38 0H27V46H60Q102 47 111 49T130 61V622ZM507 488Q507 514 506 528T500 564T483 597T450 620T397 635Q385 637 307 637H286Q237 637 234 628Q231 624 231 483V342H302H339Q390 342 423 349T481 382Q507 411 507 488Z"></path><path data-c="62" d="M307 -11Q234 -11 168 55L158 37Q156 34 153 28T147 17T143 10L138 1L118 0H98V298Q98 599 97 603Q94 622 83 628T38 637H20V660Q20 683 22 683L32 684Q42 685 61 686T98 688Q115 689 135 690T165 693T176 694H179V543Q179 391 180 391L183 394Q186 397 192 401T207 411T228 421T254 431T286 439T323 442Q401 442 461 379T522 216Q522 115 458 52T307 -11ZM182 98Q182 97 187 90T196 79T206 67T218 55T233 44T250 35T271 29T295 26Q330 26 363 46T412 113Q424 148 424 212Q424 287 412 323Q385 405 300 405Q270 405 239 390T188 347L182 339V98Z" transform="translate(681,0)"></path><path data-c="43" d="M56 342Q56 428 89 500T174 615T283 681T391 705Q394 705 400 705T408 704Q499 704 569 636L582 624L612 663Q639 700 643 704Q644 704 647 704T653 705H657Q660 705 666 699V419L660 413H626Q620 419 619 430Q610 512 571 572T476 651Q457 658 426 658Q322 658 252 588Q173 509 173 342Q173 221 211 151Q232 111 263 84T328 45T384 29T428 24Q517 24 571 93T626 244Q626 251 632 257H660L666 251V236Q661 133 590 56T403 -21Q262 -21 159 83T56 342Z" transform="translate(1237,0)"></path><path data-c="6C" d="M42 46H56Q95 46 103 60V68Q103 77 103 91T103 124T104 167T104 217T104 272T104 329Q104 366 104 407T104 482T104 542T103 586T103 603Q100 622 89 628T44 637H26V660Q26 683 28 683L38 684Q48 685 67 686T104 688Q121 689 141 690T171 693T182 694H185V379Q185 62 186 60Q190 52 198 49Q219 46 247 46H263V0H255L232 1Q209 2 183 2T145 3T107 3T57 1L34 0H26V46H42Z" transform="translate(1959,0)"></path></g></g><g data-mml-node="TeXAtom" transform="translate(2270,-150) scale(0.707)" data-mjx-texclass="ORD"><g data-mml-node="mn"><path data-c="32" d="M109 429Q82 429 66 447T50 491Q50 562 103 614T235 666Q326 666 387 610T449 465Q449 422 429 383T381 315T301 241Q265 210 201 149L142 93L218 92Q375 92 385 97Q392 99 409 186V189H449V186Q448 183 436 95T421 3V0H50V19V31Q50 38 56 46T86 81Q115 113 136 137Q145 147 170 174T204 211T233 244T261 278T284 308T305 340T320 369T333 401T340 431T343 464Q343 527 309 573T212 619Q179 619 154 602T119 569T109 550Q109 549 114 549Q132 549 151 535T170 489Q170 464 154 447T109 429Z"></path></g></g></g></g></g></svg></mjx-container></span> ?</li> <li>How many atoms of oxygen are present in 2.15 g of <span class="math-inline "> <mjx-container class="MathJax" jax="SVG"><svg style="vertical-align: -0.646ex;" width="10.789ex" height="2.342ex" role="img" focusable="false" viewbox="0 -750 4768.7 1035.4"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="msub"><g data-mml-node="TeXAtom" data-mjx-texclass="ORD"><g data-mml-node="mi"><path data-c="43" d="M56 342Q56 428 89 500T174 615T283 681T391 705Q394 705 400 705T408 704Q499 704 569 636L582 624L612 663Q639 700 643 704Q644 704 647 704T653 705H657Q660 705 666 699V419L660 413H626Q620 419 619 430Q610 512 571 572T476 651Q457 658 426 658Q322 658 252 588Q173 509 173 342Q173 221 211 151Q232 111 263 84T328 45T384 29T428 24Q517 24 571 93T626 244Q626 251 632 257H660L666 251V236Q661 133 590 56T403 -21Q262 -21 159 83T56 342Z"></path><path data-c="61" d="M137 305T115 305T78 320T63 359Q63 394 97 421T218 448Q291 448 336 416T396 340Q401 326 401 309T402 194V124Q402 76 407 58T428 40Q443 40 448 56T453 109V145H493V106Q492 66 490 59Q481 29 455 12T400 -6T353 12T329 54V58L327 55Q325 52 322 49T314 40T302 29T287 17T269 6T247 -2T221 -8T190 -11Q130 -11 82 20T34 107Q34 128 41 147T68 188T116 225T194 253T304 268H318V290Q318 324 312 340Q290 411 215 411Q197 411 181 410T156 406T148 403Q170 388 170 359Q170 334 154 320ZM126 106Q126 75 150 51T209 26Q247 26 276 49T315 109Q317 116 318 175Q318 233 317 233Q309 233 296 232T251 223T193 203T147 166T126 106Z" transform="translate(722,0)"></path></g></g><g data-mml-node="TeXAtom" transform="translate(1255,-150) scale(0.707)" data-mjx-texclass="ORD"><g data-mml-node="mn"><path data-c="33" d="M127 463Q100 463 85 480T69 524Q69 579 117 622T233 665Q268 665 277 664Q351 652 390 611T430 522Q430 470 396 421T302 350L299 348Q299 347 308 345T337 336T375 315Q457 262 457 175Q457 96 395 37T238 -22Q158 -22 100 21T42 130Q42 158 60 175T105 193Q133 193 151 175T169 130Q169 119 166 110T159 94T148 82T136 74T126 70T118 67L114 66Q165 21 238 21Q293 21 321 74Q338 107 338 175V195Q338 290 274 322Q259 328 213 329L171 330L168 332Q166 335 166 348Q166 366 174 366Q202 366 232 371Q266 376 294 413T322 525V533Q322 590 287 612Q265 626 240 626Q208 626 181 615T143 592T132 580H135Q138 579 143 578T153 573T165 566T175 555T183 540T186 520Q186 498 172 481T127 463Z"></path></g></g></g><g data-mml-node="msub" transform="translate(1658.6,0)"><g data-mml-node="mrow"><g data-mml-node="mo"><path data-c="28" d="M94 250Q94 319 104 381T127 488T164 576T202 643T244 695T277 729T302 750H315H319Q333 750 333 741Q333 738 316 720T275 667T226 581T184 443T167 250T184 58T225 -81T274 -167T316 -220T333 -241Q333 -250 318 -250H315H302L274 -226Q180 -141 137 -14T94 250Z"></path></g><g data-mml-node="msub" transform="translate(389,0)"><g data-mml-node="TeXAtom" data-mjx-texclass="ORD"><g data-mml-node="mi"><path data-c="50" d="M130 622Q123 629 119 631T103 634T60 637H27V683H214Q237 683 276 683T331 684Q419 684 471 671T567 616Q624 563 624 489Q624 421 573 372T451 307Q429 302 328 301H234V181Q234 62 237 58Q245 47 304 46H337V0H326Q305 3 182 3Q47 3 38 0H27V46H60Q102 47 111 49T130 61V622ZM507 488Q507 514 506 528T500 564T483 597T450 620T397 635Q385 637 307 637H286Q237 637 234 628Q231 624 231 483V342H302H339Q390 342 423 349T481 382Q507 411 507 488Z"></path><path data-c="4F" d="M56 340Q56 423 86 494T164 610T270 680T388 705Q521 705 621 601T722 341Q722 260 693 191T617 75T510 4T388 -22T267 3T160 74T85 189T56 340ZM467 647Q426 665 388 665Q360 665 331 654T269 620T213 549T179 439Q174 411 174 354Q174 144 277 61Q327 20 385 20H389H391Q474 20 537 99Q603 188 603 354Q603 411 598 439Q577 592 467 647Z" transform="translate(681,0)"></path></g></g><g data-mml-node="TeXAtom" transform="translate(1492,-150) scale(0.707)" data-mjx-texclass="ORD"><g data-mml-node="mn"><path data-c="34" d="M462 0Q444 3 333 3Q217 3 199 0H190V46H221Q241 46 248 46T265 48T279 53T286 61Q287 63 287 115V165H28V211L179 442Q332 674 334 675Q336 677 355 677H373L379 671V211H471V165H379V114Q379 73 379 66T385 54Q393 47 442 46H471V0H462ZM293 211V545L74 212L183 211H293Z"></path></g></g></g><g data-mml-node="mo" transform="translate(2284.6,0)"><path data-c="29" d="M60 749L64 750Q69 750 74 750H86L114 726Q208 641 251 514T294 250Q294 182 284 119T261 12T224 -76T186 -143T145 -194T113 -227T90 -246Q87 -249 86 -250H74Q66 -250 63 -250T58 -247T55 -238Q56 -237 66 -225Q221 -64 221 250T66 725Q56 737 55 738Q55 746 60 749Z"></path></g></g><g data-mml-node="TeXAtom" transform="translate(2706.6,-285.4) scale(0.707)" data-mjx-texclass="ORD"><g data-mml-node="mn"><path data-c="32" d="M109 429Q82 429 66 447T50 491Q50 562 103 614T235 666Q326 666 387 610T449 465Q449 422 429 383T381 315T301 241Q265 210 201 149L142 93L218 92Q375 92 385 97Q392 99 409 186V189H449V186Q448 183 436 95T421 3V0H50V19V31Q50 38 56 46T86 81Q115 113 136 137Q145 147 170 174T204 211T233 244T261 278T284 308T305 340T320 369T333 401T340 431T343 464Q343 527 309 573T212 619Q179 619 154 602T119 569T109 550Q109 549 114 549Q132 549 151 535T170 489Q170 464 154 447T109 429Z"></path></g></g></g></g></g></svg></mjx-container></span> ?</li> <li>What is the percent composition of caffeine <span class="math-inline "> <mjx-container class="MathJax" jax="SVG"><svg style="vertical-align: -0.566ex;" width="13.864ex" height="2.262ex" role="img" focusable="false" viewbox="0 -750 6127.8 1000"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mrow"><g data-mml-node="mo"><path data-c="28" d="M94 250Q94 319 104 381T127 488T164 576T202 643T244 695T277 729T302 750H315H319Q333 750 333 741Q333 738 316 720T275 667T226 581T184 443T167 250T184 58T225 -81T274 -167T316 -220T333 -241Q333 -250 318 -250H315H302L274 -226Q180 -141 137 -14T94 250Z"></path></g><g data-mml-node="msub" transform="translate(389,0)"><g data-mml-node="TeXAtom" data-mjx-texclass="ORD"><g data-mml-node="mi"><path data-c="43" d="M56 342Q56 428 89 500T174 615T283 681T391 705Q394 705 400 705T408 704Q499 704 569 636L582 624L612 663Q639 700 643 704Q644 704 647 704T653 705H657Q660 705 666 699V419L660 413H626Q620 419 619 430Q610 512 571 572T476 651Q457 658 426 658Q322 658 252 588Q173 509 173 342Q173 221 211 151Q232 111 263 84T328 45T384 29T428 24Q517 24 571 93T626 244Q626 251 632 257H660L666 251V236Q661 133 590 56T403 -21Q262 -21 159 83T56 342Z"></path></g></g><g data-mml-node="TeXAtom" transform="translate(755,-150) scale(0.707)" data-mjx-texclass="ORD"><g data-mml-node="mn"><path data-c="38" d="M70 417T70 494T124 618T248 666Q319 666 374 624T429 515Q429 485 418 459T392 417T361 389T335 371T324 363L338 354Q352 344 366 334T382 323Q457 264 457 174Q457 95 399 37T249 -22Q159 -22 101 29T43 155Q43 263 172 335L154 348Q133 361 127 368Q70 417 70 494ZM286 386L292 390Q298 394 301 396T311 403T323 413T334 425T345 438T355 454T364 471T369 491T371 513Q371 556 342 586T275 624Q268 625 242 625Q201 625 165 599T128 534Q128 511 141 492T167 463T217 431Q224 426 228 424L286 386ZM250 21Q308 21 350 55T392 137Q392 154 387 169T375 194T353 216T330 234T301 253T274 270Q260 279 244 289T218 306L210 311Q204 311 181 294T133 239T107 157Q107 98 150 60T250 21Z"></path></g></g></g><g data-mml-node="msub" transform="translate(1547.6,0)"><g data-mml-node="TeXAtom" data-mjx-texclass="ORD"><g data-mml-node="mi"><path data-c="48" d="M128 622Q121 629 117 631T101 634T58 637H25V683H36Q57 680 180 680Q315 680 324 683H335V637H302Q262 636 251 634T233 622L232 500V378H517V622Q510 629 506 631T490 634T447 637H414V683H425Q446 680 569 680Q704 680 713 683H724V637H691Q651 636 640 634T622 622V61Q628 51 639 49T691 46H724V0H713Q692 3 569 3Q434 3 425 0H414V46H447Q489 47 498 49T517 61V332H232V197L233 61Q239 51 250 49T302 46H335V0H324Q303 3 180 3Q45 3 36 0H25V46H58Q100 47 109 49T128 61V622Z"></path></g></g><g data-mml-node="TeXAtom" transform="translate(783,-150) scale(0.707)" data-mjx-texclass="ORD"><g data-mml-node="mn"><path data-c="31" d="M213 578L200 573Q186 568 160 563T102 556H83V602H102Q149 604 189 617T245 641T273 663Q275 666 285 666Q294 666 302 660V361L303 61Q310 54 315 52T339 48T401 46H427V0H416Q395 3 257 3Q121 3 100 0H88V46H114Q136 46 152 46T177 47T193 50T201 52T207 57T213 61V578Z"></path><path data-c="30" d="M96 585Q152 666 249 666Q297 666 345 640T423 548Q460 465 460 320Q460 165 417 83Q397 41 362 16T301 -15T250 -22Q224 -22 198 -16T137 16T82 83Q39 165 39 320Q39 494 96 585ZM321 597Q291 629 250 629Q208 629 178 597Q153 571 145 525T137 333Q137 175 145 125T181 46Q209 16 250 16Q290 16 318 46Q347 76 354 130T362 333Q362 478 354 524T321 597Z" transform="translate(500,0)"></path></g></g></g><g data-mml-node="msub" transform="translate(3087.7,0)"><g data-mml-node="TeXAtom" data-mjx-texclass="ORD"><g data-mml-node="mtext"><path data-c="A0" d=""></path></g><g data-mml-node="mi" transform="translate(250,0)"><path data-c="4E" d="M42 46Q74 48 94 56T118 69T128 86V634H124Q114 637 52 637H25V683H232L235 680Q237 679 322 554T493 303L578 178V598Q572 608 568 613T544 627T492 637H475V683H483Q498 680 600 680Q706 680 715 683H724V637H707Q634 633 622 598L621 302V6L614 0H600Q585 0 582 3T481 150T282 443T171 605V345L172 86Q183 50 257 46H274V0H265Q250 3 150 3Q48 3 33 0H25V46H42Z"></path></g></g><g data-mml-node="TeXAtom" transform="translate(1033,-150) scale(0.707)" data-mjx-texclass="ORD"><g data-mml-node="mn"><path data-c="34" d="M462 0Q444 3 333 3Q217 3 199 0H190V46H221Q241 46 248 46T265 48T279 53T286 61Q287 63 287 115V165H28V211L179 442Q332 674 334 675Q336 677 355 677H373L379 671V211H471V165H379V114Q379 73 379 66T385 54Q393 47 442 46H471V0H462ZM293 211V545L74 212L183 211H293Z"></path></g></g></g><g data-mml-node="msub" transform="translate(4524.2,0)"><g data-mml-node="TeXAtom" data-mjx-texclass="ORD"><g data-mml-node="mi"><path data-c="4F" d="M56 340Q56 423 86 494T164 610T270 680T388 705Q521 705 621 601T722 341Q722 260 693 191T617 75T510 4T388 -22T267 3T160 74T85 189T56 340ZM467 647Q426 665 388 665Q360 665 331 654T269 620T213 549T179 439Q174 411 174 354Q174 144 277 61Q327 20 385 20H389H391Q474 20 537 99Q603 188 603 354Q603 411 598 439Q577 592 467 647Z"></path></g></g><g data-mml-node="TeXAtom" transform="translate(811,-150) scale(0.707)" data-mjx-texclass="ORD"><g data-mml-node="mn"><path data-c="32" d="M109 429Q82 429 66 447T50 491Q50 562 103 614T235 666Q326 666 387 610T449 465Q449 422 429 383T381 315T301 241Q265 210 201 149L142 93L218 92Q375 92 385 97Q392 99 409 186V189H449V186Q448 183 436 95T421 3V0H50V19V31Q50 38 56 46T86 81Q115 113 136 137Q145 147 170 174T204 211T233 244T261 278T284 308T305 340T320 369T333 401T340 431T343 464Q343 527 309 573T212 619Q179 619 154 602T119 569T109 550Q109 549 114 549Q132 549 151 535T170 489Q170 464 154 447T109 429Z"></path></g></g></g><g data-mml-node="mo" transform="translate(5738.8,0)"><path data-c="29" d="M60 749L64 750Q69 750 74 750H86L114 726Q208 641 251 514T294 250Q294 182 284 119T261 12T224 -76T186 -143T145 -194T113 -227T90 -246Q87 -249 86 -250H74Q66 -250 63 -250T58 -247T55 -238Q56 -237 66 -225Q221 -64 221 250T66 725Q56 737 55 738Q55 746 60 749Z"></path></g></g></g></g></svg></mjx-container></span> ?</li> <li>Determine the empirical formula for a compound with the following composition:<br /> 5.21% H<br /> 12.1% N<br /> 20.7% O<br /> 62.1% C</li> <li>Combustion analysis of a 12.01-g sample of an unknown acid-which contains only carbon, hydrogen and oxygen-produced <span class="math-inline "> <mjx-container class="MathJax" jax="SVG"><svg style="vertical-align: -0.466ex;" width="11.232ex" height="2.061ex" role="img" focusable="false" viewbox="0 -705 4964.6 911"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mn"><path data-c="31" d="M213 578L200 573Q186 568 160 563T102 556H83V602H102Q149 604 189 617T245 641T273 663Q275 666 285 666Q294 666 302 660V361L303 61Q310 54 315 52T339 48T401 46H427V0H416Q395 3 257 3Q121 3 100 0H88V46H114Q136 46 152 46T177 47T193 50T201 52T207 57T213 61V578Z"></path><path data-c="34" d="M462 0Q444 3 333 3Q217 3 199 0H190V46H221Q241 46 248 46T265 48T279 53T286 61Q287 63 287 115V165H28V211L179 442Q332 674 334 675Q336 677 355 677H373L379 671V211H471V165H379V114Q379 73 379 66T385 54Q393 47 442 46H471V0H462ZM293 211V545L74 212L183 211H293Z" transform="translate(500,0)"></path><path data-c="2E" d="M78 60Q78 84 95 102T138 120Q162 120 180 104T199 61Q199 36 182 18T139 0T96 17T78 60Z" transform="translate(1000,0)"></path><path data-c="30" d="M96 585Q152 666 249 666Q297 666 345 640T423 548Q460 465 460 320Q460 165 417 83Q397 41 362 16T301 -15T250 -22Q224 -22 198 -16T137 16T82 83Q39 165 39 320Q39 494 96 585ZM321 597Q291 629 250 629Q208 629 178 597Q153 571 145 525T137 333Q137 175 145 125T181 46Q209 16 250 16Q290 16 318 46Q347 76 354 130T362 333Q362 478 354 524T321 597Z" transform="translate(1278,0)"></path><path data-c="38" d="M70 417T70 494T124 618T248 666Q319 666 374 624T429 515Q429 485 418 459T392 417T361 389T335 371T324 363L338 354Q352 344 366 334T382 323Q457 264 457 174Q457 95 399 37T249 -22Q159 -22 101 29T43 155Q43 263 172 335L154 348Q133 361 127 368Q70 417 70 494ZM286 386L292 390Q298 394 301 396T311 403T323 413T334 425T345 438T355 454T364 471T369 491T371 513Q371 556 342 586T275 624Q268 625 242 625Q201 625 165 599T128 534Q128 511 141 492T167 463T217 431Q224 426 228 424L286 386ZM250 21Q308 21 350 55T392 137Q392 154 387 169T375 194T353 216T330 234T301 253T274 270Q260 279 244 289T218 306L210 311Q204 311 181 294T133 239T107 157Q107 98 150 60T250 21Z" transform="translate(1778,0)"></path></g><g data-mml-node="TeXAtom" data-mjx-texclass="ORD" transform="translate(2278,0)"><g data-mml-node="mtext"><path data-c="A0" d=""></path></g><g data-mml-node="mi" transform="translate(250,0)"><path data-c="67" d="M329 409Q373 453 429 453Q459 453 472 434T485 396Q485 382 476 371T449 360Q416 360 412 390Q410 404 415 411Q415 412 416 414V415Q388 412 363 393Q355 388 355 386Q355 385 359 381T368 369T379 351T388 325T392 292Q392 230 343 187T222 143Q172 143 123 171Q112 153 112 133Q112 98 138 81Q147 75 155 75T227 73Q311 72 335 67Q396 58 431 26Q470 -13 470 -72Q470 -139 392 -175Q332 -206 250 -206Q167 -206 107 -175Q29 -140 29 -75Q29 -39 50 -15T92 18L103 24Q67 55 67 108Q67 155 96 193Q52 237 52 292Q52 355 102 398T223 442Q274 442 318 416L329 409ZM299 343Q294 371 273 387T221 404Q192 404 171 388T145 343Q142 326 142 292Q142 248 149 227T179 192Q196 182 222 182Q244 182 260 189T283 207T294 227T299 242Q302 258 302 292T299 343ZM403 -75Q403 -50 389 -34T348 -11T299 -2T245 0H218Q151 0 138 -6Q118 -15 107 -34T95 -74Q95 -84 101 -97T122 -127T170 -155T250 -167Q319 -167 361 -139T403 -75Z"></path></g></g><g data-mml-node="msub" transform="translate(3028,0)"><g data-mml-node="TeXAtom" data-mjx-texclass="ORD"><g data-mml-node="mi"><path data-c="43" d="M56 342Q56 428 89 500T174 615T283 681T391 705Q394 705 400 705T408 704Q499 704 569 636L582 624L612 663Q639 700 643 704Q644 704 647 704T653 705H657Q660 705 666 699V419L660 413H626Q620 419 619 430Q610 512 571 572T476 651Q457 658 426 658Q322 658 252 588Q173 509 173 342Q173 221 211 151Q232 111 263 84T328 45T384 29T428 24Q517 24 571 93T626 244Q626 251 632 257H660L666 251V236Q661 133 590 56T403 -21Q262 -21 159 83T56 342Z"></path><path data-c="4F" d="M56 340Q56 423 86 494T164 610T270 680T388 705Q521 705 621 601T722 341Q722 260 693 191T617 75T510 4T388 -22T267 3T160 74T85 189T56 340ZM467 647Q426 665 388 665Q360 665 331 654T269 620T213 549T179 439Q174 411 174 354Q174 144 277 61Q327 20 385 20H389H391Q474 20 537 99Q603 188 603 354Q603 411 598 439Q577 592 467 647Z" transform="translate(722,0)"></path></g></g><g data-mml-node="TeXAtom" transform="translate(1533,-150) scale(0.707)" data-mjx-texclass="ORD"><g data-mml-node="mn"><path data-c="32" d="M109 429Q82 429 66 447T50 491Q50 562 103 614T235 666Q326 666 387 610T449 465Q449 422 429 383T381 315T301 241Q265 210 201 149L142 93L218 92Q375 92 385 97Q392 99 409 186V189H449V186Q448 183 436 95T421 3V0H50V19V31Q50 38 56 46T86 81Q115 113 136 137Q145 147 170 174T204 211T233 244T261 278T284 308T305 340T320 369T333 401T340 431T343 464Q343 527 309 573T212 619Q179 619 154 602T119 569T109 550Q109 549 114 549Q132 549 151 535T170 489Q170 464 154 447T109 429Z"></path></g></g></g></g></g></svg></mjx-container></span> and <span class="math-inline "> <mjx-container class="MathJax" jax="SVG"><svg style="vertical-align: -0.466ex;" width="10.164ex" height="2.061ex" role="img" focusable="false" viewbox="0 -705 4492.6 911"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mn"><path data-c="34" d="M462 0Q444 3 333 3Q217 3 199 0H190V46H221Q241 46 248 46T265 48T279 53T286 61Q287 63 287 115V165H28V211L179 442Q332 674 334 675Q336 677 355 677H373L379 671V211H471V165H379V114Q379 73 379 66T385 54Q393 47 442 46H471V0H462ZM293 211V545L74 212L183 211H293Z"></path><path data-c="2E" d="M78 60Q78 84 95 102T138 120Q162 120 180 104T199 61Q199 36 182 18T139 0T96 17T78 60Z" transform="translate(500,0)"></path><path data-c="33" d="M127 463Q100 463 85 480T69 524Q69 579 117 622T233 665Q268 665 277 664Q351 652 390 611T430 522Q430 470 396 421T302 350L299 348Q299 347 308 345T337 336T375 315Q457 262 457 175Q457 96 395 37T238 -22Q158 -22 100 21T42 130Q42 158 60 175T105 193Q133 193 151 175T169 130Q169 119 166 110T159 94T148 82T136 74T126 70T118 67L114 66Q165 21 238 21Q293 21 321 74Q338 107 338 175V195Q338 290 274 322Q259 328 213 329L171 330L168 332Q166 335 166 348Q166 366 174 366Q202 366 232 371Q266 376 294 413T322 525V533Q322 590 287 612Q265 626 240 626Q208 626 181 615T143 592T132 580H135Q138 579 143 578T153 573T165 566T175 555T183 540T186 520Q186 498 172 481T127 463Z" transform="translate(778,0)"></path><path data-c="32" d="M109 429Q82 429 66 447T50 491Q50 562 103 614T235 666Q326 666 387 610T449 465Q449 422 429 383T381 315T301 241Q265 210 201 149L142 93L218 92Q375 92 385 97Q392 99 409 186V189H449V186Q448 183 436 95T421 3V0H50V19V31Q50 38 56 46T86 81Q115 113 136 137Q145 147 170 174T204 211T233 244T261 278T284 308T305 340T320 369T333 401T340 431T343 464Q343 527 309 573T212 619Q179 619 154 602T119 569T109 550Q109 549 114 549Q132 549 151 535T170 489Q170 464 154 447T109 429Z" transform="translate(1278,0)"></path></g><g data-mml-node="TeXAtom" data-mjx-texclass="ORD" transform="translate(1778,0)"><g data-mml-node="mtext"><path data-c="A0" d=""></path></g><g data-mml-node="mi" transform="translate(250,0)"><path data-c="67" d="M329 409Q373 453 429 453Q459 453 472 434T485 396Q485 382 476 371T449 360Q416 360 412 390Q410 404 415 411Q415 412 416 414V415Q388 412 363 393Q355 388 355 386Q355 385 359 381T368 369T379 351T388 325T392 292Q392 230 343 187T222 143Q172 143 123 171Q112 153 112 133Q112 98 138 81Q147 75 155 75T227 73Q311 72 335 67Q396 58 431 26Q470 -13 470 -72Q470 -139 392 -175Q332 -206 250 -206Q167 -206 107 -175Q29 -140 29 -75Q29 -39 50 -15T92 18L103 24Q67 55 67 108Q67 155 96 193Q52 237 52 292Q52 355 102 398T223 442Q274 442 318 416L329 409ZM299 343Q294 371 273 387T221 404Q192 404 171 388T145 343Q142 326 142 292Q142 248 149 227T179 192Q196 182 222 182Q244 182 260 189T283 207T294 227T299 242Q302 258 302 292T299 343ZM403 -75Q403 -50 389 -34T348 -11T299 -2T245 0H218Q151 0 138 -6Q118 -15 107 -34T95 -74Q95 -84 101 -97T122 -127T170 -155T250 -167Q319 -167 361 -139T403 -75Z"></path></g></g><g data-mml-node="msub" transform="translate(2528,0)"><g data-mml-node="TeXAtom" data-mjx-texclass="ORD"><g data-mml-node="mi"><path data-c="48" d="M128 622Q121 629 117 631T101 634T58 637H25V683H36Q57 680 180 680Q315 680 324 683H335V637H302Q262 636 251 634T233 622L232 500V378H517V622Q510 629 506 631T490 634T447 637H414V683H425Q446 680 569 680Q704 680 713 683H724V637H691Q651 636 640 634T622 622V61Q628 51 639 49T691 46H724V0H713Q692 3 569 3Q434 3 425 0H414V46H447Q489 47 498 49T517 61V332H232V197L233 61Q239 51 250 49T302 46H335V0H324Q303 3 180 3Q45 3 36 0H25V46H58Q100 47 109 49T128 61V622Z"></path></g></g><g data-mml-node="TeXAtom" transform="translate(783,-150) scale(0.707)" data-mjx-texclass="ORD"><g data-mml-node="mn"><path data-c="32" d="M109 429Q82 429 66 447T50 491Q50 562 103 614T235 666Q326 666 387 610T449 465Q449 422 429 383T381 315T301 241Q265 210 201 149L142 93L218 92Q375 92 385 97Q392 99 409 186V189H449V186Q448 183 436 95T421 3V0H50V19V31Q50 38 56 46T86 81Q115 113 136 137Q145 147 170 174T204 211T233 244T261 278T284 308T305 340T320 369T333 401T340 431T343 464Q343 527 309 573T212 619Q179 619 154 602T119 569T109 550Q109 549 114 549Q132 549 151 535T170 489Q170 464 154 447T109 429Z"></path></g></g></g><g data-mml-node="TeXAtom" data-mjx-texclass="ORD" transform="translate(3714.6,0)"><g data-mml-node="mi"><path data-c="4F" d="M56 340Q56 423 86 494T164 610T270 680T388 705Q521 705 621 601T722 341Q722 260 693 191T617 75T510 4T388 -22T267 3T160 74T85 189T56 340ZM467 647Q426 665 388 665Q360 665 331 654T269 620T213 549T179 439Q174 411 174 354Q174 144 277 61Q327 20 385 20H389H391Q474 20 537 99Q603 188 603 354Q603 411 598 439Q577 592 467 647Z"></path></g></g></g></g></svg></mjx-container></span>. Determine the empirical formula for this acid.</li> <li>A phosphorous compound that contains <span class="math-inline "> <mjx-container class="MathJax" jax="SVG"><svg style="vertical-align: -0.127ex;" width="7.038ex" height="1.824ex" role="img" focusable="false" viewbox="0 -750 3111 806"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mn"><path data-c="33" d="M127 463Q100 463 85 480T69 524Q69 579 117 622T233 665Q268 665 277 664Q351 652 390 611T430 522Q430 470 396 421T302 350L299 348Q299 347 308 345T337 336T375 315Q457 262 457 175Q457 96 395 37T238 -22Q158 -22 100 21T42 130Q42 158 60 175T105 193Q133 193 151 175T169 130Q169 119 166 110T159 94T148 82T136 74T126 70T118 67L114 66Q165 21 238 21Q293 21 321 74Q338 107 338 175V195Q338 290 274 322Q259 328 213 329L171 330L168 332Q166 335 166 348Q166 366 174 366Q202 366 232 371Q266 376 294 413T322 525V533Q322 590 287 612Q265 626 240 626Q208 626 181 615T143 592T132 580H135Q138 579 143 578T153 573T165 566T175 555T183 540T186 520Q186 498 172 481T127 463Z"></path><path data-c="34" d="M462 0Q444 3 333 3Q217 3 199 0H190V46H221Q241 46 248 46T265 48T279 53T286 61Q287 63 287 115V165H28V211L179 442Q332 674 334 675Q336 677 355 677H373L379 671V211H471V165H379V114Q379 73 379 66T385 54Q393 47 442 46H471V0H462ZM293 211V545L74 212L183 211H293Z" transform="translate(500,0)"></path><path data-c="2E" d="M78 60Q78 84 95 102T138 120Q162 120 180 104T199 61Q199 36 182 18T139 0T96 17T78 60Z" transform="translate(1000,0)"></path><path data-c="30" d="M96 585Q152 666 249 666Q297 666 345 640T423 548Q460 465 460 320Q460 165 417 83Q397 41 362 16T301 -15T250 -22Q224 -22 198 -16T137 16T82 83Q39 165 39 320Q39 494 96 585ZM321 597Q291 629 250 629Q208 629 178 597Q153 571 145 525T137 333Q137 175 145 125T181 46Q209 16 250 16Q290 16 318 46Q347 76 354 130T362 333Q362 478 354 524T321 597Z" transform="translate(1278,0)"></path><path data-c="30" d="M96 585Q152 666 249 666Q297 666 345 640T423 548Q460 465 460 320Q460 165 417 83Q397 41 362 16T301 -15T250 -22Q224 -22 198 -16T137 16T82 83Q39 165 39 320Q39 494 96 585ZM321 597Q291 629 250 629Q208 629 178 597Q153 571 145 525T137 333Q137 175 145 125T181 46Q209 16 250 16Q290 16 318 46Q347 76 354 130T362 333Q362 478 354 524T321 597Z" transform="translate(1778,0)"></path></g><g data-mml-node="mi" transform="translate(2278,0)"><path data-c="25" d="M465 605Q428 605 394 614T340 632T319 641Q332 608 332 548Q332 458 293 403T202 347Q145 347 101 402T56 548Q56 637 101 693T202 750Q241 750 272 719Q359 642 464 642Q580 642 650 732Q662 748 668 749Q670 750 673 750Q682 750 688 743T693 726Q178 -47 170 -52Q166 -56 160 -56Q147 -56 142 -45Q137 -36 142 -27Q143 -24 363 304Q469 462 525 546T581 630Q528 605 465 605ZM207 385Q235 385 263 427T292 548Q292 617 267 664T200 712Q193 712 186 709T167 698T147 668T134 615Q132 595 132 548V527Q132 436 165 403Q183 385 203 385H207ZM500 146Q500 234 544 290T647 347Q699 347 737 292T776 146T737 0T646 -56Q590 -56 545 0T500 146ZM651 -18Q679 -18 707 24T736 146Q736 215 711 262T644 309Q637 309 630 306T611 295T591 265T578 212Q577 200 577 146V124Q577 -18 647 -18H651Z"></path></g></g></g></svg></mjx-container></span> phosphorus by mass has the formula <span class="math-inline "> <mjx-container class="MathJax" jax="SVG"><svg style="vertical-align: -0.375ex;" width="5.213ex" height="1.92ex" role="img" focusable="false" viewbox="0 -683 2304.1 848.6"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="msub"><g data-mml-node="TeXAtom" data-mjx-texclass="ORD"><g data-mml-node="mi"><path data-c="58" d="M270 0Q252 3 141 3Q46 3 31 0H23V46H40Q129 50 161 88Q165 94 244 216T324 339Q324 341 235 480T143 622Q133 631 119 634T57 637H37V683H46Q64 680 172 680Q297 680 318 683H329V637H324Q307 637 286 632T263 621Q263 618 322 525T384 431Q385 431 437 511T489 593Q490 595 490 599Q490 611 477 622T436 637H428V683H437Q455 680 566 680Q661 680 676 683H684V637H667Q585 634 551 599Q548 596 478 491Q412 388 412 387Q412 385 514 225T620 62Q628 53 642 50T695 46H726V0H717Q699 3 591 3Q466 3 445 0H434V46H440Q454 46 476 51T499 64Q499 67 463 124T390 238L353 295L350 292Q348 290 343 283T331 265T312 236T286 195Q219 88 218 84Q218 70 234 59T272 46H280V0H270Z"></path></g></g><g data-mml-node="TeXAtom" transform="translate(783,-150) scale(0.707)" data-mjx-texclass="ORD"><g data-mml-node="mn"><path data-c="33" d="M127 463Q100 463 85 480T69 524Q69 579 117 622T233 665Q268 665 277 664Q351 652 390 611T430 522Q430 470 396 421T302 350L299 348Q299 347 308 345T337 336T375 315Q457 262 457 175Q457 96 395 37T238 -22Q158 -22 100 21T42 130Q42 158 60 175T105 193Q133 193 151 175T169 130Q169 119 166 110T159 94T148 82T136 74T126 70T118 67L114 66Q165 21 238 21Q293 21 321 74Q338 107 338 175V195Q338 290 274 322Q259 328 213 329L171 330L168 332Q166 335 166 348Q166 366 174 366Q202 366 232 371Q266 376 294 413T322 525V533Q322 590 287 612Q265 626 240 626Q208 626 181 615T143 592T132 580H135Q138 579 143 578T153 573T165 566T175 555T183 540T186 520Q186 498 172 481T127 463Z"></path></g></g></g><g data-mml-node="msub" transform="translate(1186.6,0)"><g data-mml-node="TeXAtom" data-mjx-texclass="ORD"><g data-mml-node="mi"><path data-c="50" d="M130 622Q123 629 119 631T103 634T60 637H27V683H214Q237 683 276 683T331 684Q419 684 471 671T567 616Q624 563 624 489Q624 421 573 372T451 307Q429 302 328 301H234V181Q234 62 237 58Q245 47 304 46H337V0H326Q305 3 182 3Q47 3 38 0H27V46H60Q102 47 111 49T130 61V622ZM507 488Q507 514 506 528T500 564T483 597T450 620T397 635Q385 637 307 637H286Q237 637 234 628Q231 624 231 483V342H302H339Q390 342 423 349T481 382Q507 411 507 488Z"></path></g></g><g data-mml-node="TeXAtom" transform="translate(714,-150) scale(0.707)" data-mjx-texclass="ORD"><g data-mml-node="mn"><path data-c="32" d="M109 429Q82 429 66 447T50 491Q50 562 103 614T235 666Q326 666 387 610T449 465Q449 422 429 383T381 315T301 241Q265 210 201 149L142 93L218 92Q375 92 385 97Q392 99 409 186V189H449V186Q448 183 436 95T421 3V0H50V19V31Q50 38 56 46T86 81Q115 113 136 137Q145 147 170 174T204 211T233 244T261 278T284 308T305 340T320 369T333 401T340 431T343 464Q343 527 309 573T212 619Q179 619 154 602T119 569T109 550Q109 549 114 549Q132 549 151 535T170 489Q170 464 154 447T109 429Z"></path></g></g></g></g></g></svg></mjx-container></span>. Identify the element X .</li> <li>A <span class="math-inline "> <mjx-container class="MathJax" jax="SVG"><svg style="vertical-align: -0.466ex;" width="7.92ex" height="1.998ex" role="img" focusable="false" viewbox="0 -677 3500.4 883"><g stroke="currentColor" fill="currentColor" stroke-width="0" transform="scale(1,-1)"><g data-mml-node="math"><g data-mml-node="mn"><path data-c="33" d="M127 463Q100 463 85 480T69 524Q69 579 117 622T233 665Q268 665 277 664Q351 652 390 611T430 522Q430 470 396 421T302 350L299 348Q299 347 308 345T337 336T375 315Q457 262 457 175Q457 96 395 37T238 -22Q158 -22 100 21T42 130Q42 158 60 175T105 193Q133 193 151 175T169 130Q169 119 166 110T159 94T148 82T136 74T126 70T118 67L114 66Q165 21 238 21Q293 21 321 74Q338 107 338 175V195Q338 290 274 322Q259 328 213 329L171 330L168 332Q166 335 166 348Q166 366 174 366Q202 366 232 371Q266 376 294 413T322 525V533Q322 590 287 612Q265 626 240 626Q208 626 181 615T143 592T132 580H135Q138 579 143 578T153 573T165 566T175 555T183 540T186 520Q186 498 172 481T127 463Z"></path><path data-c="2E" d="M78 60Q78 84 95 102T138 120Q162 120 180 104T199 61Q199 36 182 18T139 0T96 17T78 60Z" transform="translate(500,0)"></path><path data-c="34" d="M462 0Q444 3 333 3Q217 3 199 0H190V46H221Q241 46 248 46T265 48T279 53T286 61Q287 63 287 115V165H28V211L179 442Q332 674 334 675Q336 677 355 677H373L379 671V211H471V165H379V114Q379 73 379 66T385 54Q393 47 442 46H471V0H462ZM293 211V545L74 212L183 211H293Z" transform="translate(778,0)"></path><path data-c="31" d="M213 578L200 573Q186 568 160 563T102 556H83V602H102Q149 604 189 617T245 641T273 663Q275 666 285 666Q294 666 302 660V361L303 61Q310 54 315 52T339 48T401 46H427V0H416Q395 3 257 3Q121 3 100 0H88V46H114Q136 46 152 46T177 47T193 50T201 52T207 57T213 61V578Z" transform="translate(1278,0)"></path></g><g data-mml-node="mo" transform="translate(2000.2,0)"><path data-c="2212" d="M84 237T84 250T98 270H679Q694 262 694 250T679 230H98Q84 237 84 250Z"></path></g><g data-mml-node="TeXAtom" data-mjx-texclass="ORD" transform="translate(3000.4,0)"><g data-mml-node="mi"><path data-c="67" d="M329 409Q373 453 429 453Q459 453 472 434T485 396Q485 382 476 371T449 360Q416 360 412 390Q410 404 415 411Q415 412 416 414V415Q388 412 363 393Q355 388 355 386Q355 385 359 381T368 369T379 351T388 325T392 292Q392 230 343 187T222 143Q172 143 123 171Q112 153 112 133Q112 98 138 81Q147 75 155 75T227 73Q311 72 335 67Q396 58 431 26Q470 -13 470 -72Q470 -139 392 -175Q332 -206 250 -206Q167 -206 107 -175Q29 -140 29 -75Q29 -39 50 -15T92 18L103 24Q67 55 67 108Q67 155 96 193Q52 237 52 292Q52 355 102 398T223 442Q274 442 318 416L329 409ZM299 343Q294 371 273 387T221 404Q192 404 171 388T145 343Q142 326 142 292Q142 248 149 227T179 192Q196 182 222 182Q244 182 260 189T283 207T294 227T299 242Q302 258 302 292T299 343ZM403 -75Q403 -50 389 -34T348 -11T299 -2T245 0H218Q151 0 138 -6Q118 -15 107 -34T95 -74Q95 -84 101 -97T122 -127T170 -155T250 -167Q319 -167 361 -139T403 -75Z"></path></g></g></g></g></svg></mjx-container></span> sample of a hydrate of copper(II) chloride was heated to drive off the water of hydration. The anhydrous salt was found to have a mass of 2.69 g . Determine the formula for this hydrate.</li> <li>Classify each hydrocarbon below as alkane, alkene or alkyne, and write a molecular formula for each:</li> </ol> <div>a)<br /> <div class="smiles-inline" style="display: inline-block;"><svg id="smiles-mjrsgwzp0hrhcor2fj76" viewbox="0 0 222 77.13757359077603" style="width: 221.51404243011365px; height: 77.13757359077603px; overflow: visible;"><defs><lineargradient id="line-mjrsgwzp0hrhcor2fj76-1" gradientunits="userSpaceOnUse" x1="128.976037728444" y1="28.05004906052055" x2="165.41404243011365" y2="49.087573590776046"><stop stop-color="currentColor" offset="20%"></stop><stop stop-color="currentColor" offset="100%"></stop></lineargradient><lineargradient id="line-mjrsgwzp0hrhcor2fj76-3" gradientunits="userSpaceOnUse" x1="99.96855358889935" y1="53.54262292810138" x2="129.11898001031886" y2="36.712642552313426"><stop stop-color="currentColor" offset="20%"></stop><stop stop-color="currentColor" offset="100%"></stop></lineargradient><lineargradient id="line-mjrsgwzp0hrhcor2fj76-5" gradientunits="userSpaceOnUse" x1="92.53800470166962" y1="49.08752453025549" x2="128.976037728444" y2="28.05004906052055"><stop stop-color="currentColor" offset="20%"></stop><stop stop-color="currentColor" offset="100%"></stop></lineargradient><lineargradient id="line-mjrsgwzp0hrhcor2fj76-7" gradientunits="userSpaceOnUse" x1="56.099999999999994" y1="28.049999999999997" x2="92.53800470166962" y2="49.08752453025549"><stop stop-color="currentColor" offset="20%"></stop><stop stop-color="currentColor" offset="100%"></stop></lineargradient></defs><mask id="text-mask-mjrsgwzp0hrhcor2fj76"><rect x="0" y="0" width="100%" height="100%" fill="white"></rect></mask><style>/*<![CDATA[*/ .element-mjrsgwzp0hrhcor2fj76 { font: 18.7px Helvetica, Arial, sans-serif; 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