ms. popov - chemistry 11 mole conversion practice block: … · 2019. 1. 28. · chemistry 11 mole...

Chemistry11

MoleConversionPracticeAvogadro’sNumber,MolarMass,MolarVolume

Name:Date:Block:

1. Howmanyatomsarein2moleculesofHg(IO3)2?2. WhatvolumeatSTPisoccupiedby1.45x1030moleculesofCOF2gas?3. Howmanymoleculesaretherein64.0gofFeS?4. Howmanymolesarein25.0mLofHCNatSTP?5. WhatvolumeatSTPisoccupiedby43.5gofClF3?6. Howmanymolesarein2.75x1023atomsofFe?7. Howmanymoleculesaretherein125mLofNOClatSTP?

1.18atoms2.5.39x107L3.4.38x1023molecules4.1.12x10-3mol5.10.5L6.0.457moles7.3.36x1021molecules

Chemistry11

MolarityPracticeName:Date:Block:

1. Howmanygramsofmagnesiumcyanideareneededtomake275mLofa0.075Msolution?

2. Whatisthemolarityofasolutionmadewhen52gramsofpotassiumsulfateisaddedto4100mLofwater?

3. Findthevolumeofa0.75Msolutionifitcontains39gramsofpotassiumhydroxide.

4. Howmanygramsofhydrochloricacidarepresentin3.0Lofa0.750Msolution?

5. Explainhowyouwouldmake675mLofa0.400Mbariumiodidesolution.

6. 200.0gofNaClaredissolvedin100.mLofwater.Calculatethemolarityofthesolution.

7. HowmanygramsofAgClarerequiredtoprepare150.0mLof0.200Msolution?

8. Whatistheconcentrationthatresultswhen184.7gofpotassiumchromateisdissolvedinenoughwatertomakea500.0mLsolution?

1.1.6g2.0.073M3.0.93L4.82g5.Dissolve106gBaI2in675mLwater6.34.2M7.4.30g8.1.902M