CLICKHERETO DOWNLOAD
SHOWALLWORKHowmanyatomsareinmolesofaluminum?ConvertxNobecausemolesandweightoperateondifferentsetofstandardsmeaningthat they’renotequaltoeachother. Al+ Cl AlClMassofsubstance.IftheRPisamolecule,statethenumberofatomsthatmakeupthemolecule AnswersAmolAg1BmolAgNOCmolH2O1DmolNOAmolN2HBmolN2OCmolH2OgAl2OBBESURETOBALANCEEACHEQUATIONBEFORE SOLVINGANYPROBLEMSDSolutions)2)Howmanymolesareingramsofwater?gramsmoleLi2O=gLi2OmolLi2OgLi2O=gLi2OmolLi2O)How manymoleculesareinmolesofoxygen?CHowmanymolesofmanganomanganicoxidewillreactwithxatomsofaluminum?Directions:Foreachsubstance below,statetherepresentativeparticleMOLEPracticeProblemsPROBLEMSINVOLVINGATOMSANDELEMENTSWorkeachofthefollowing problemsBESURETOBALANCEEACHWorksheet:Mole/MoleProblemsNameAnswereachofthefollowingquestionsusingtheequationprovidedmoles NO=molesOmolesNO.×molesO=molesNOc.HowmanymolesofNOmustreacttoformmolesofNO2??Calculatethemolarmass/atomicmassofthe followingatomsandcompounds:II.ConversionProblems:ForeachproblemyoumustuseDimensionalMassofsubstance.SampleProblemAchemisthasajar containinggofironfilings NO+ O NOamolesofNOwillreactwith mole(s)ofO2toproduce mole(s)ofNOb?UseAvogadro's numberforconversionNumberofatoms,usedtocalculatetheamountofsubstance(inmol):n=mM,wheren=numberofmolandM=molarmass(gmol–1)n =LN,whereN=numberofparticlesandL=Molarity,orconcentrationinmoldm=numberofmolesofsolute(inmol)volumeofsolution(indm3)Relationship betweenConcentrationsingdmandmoldmNa3POPartMoleConversionsNO+NHowmanymolesofNwillbeproducedifmolesNOreact?Howmanymoles oNOmustreacttoformmolesofN02?molNH3+N+HMoleCalculationPracticeWorksheetSolutionsmolesmoleH2O=gH2OgH2OmolH2OgH2O= molH2O)HowmanygramsareinmolesofLi2O?ConvertusingthemolarmassofthesubstanceAmountofsubstanceinmoles.gH2OxmoleH2O=mole H2OgH2OHowmanygramsareinmolesofNa2O?BESURETOBALANCEEACHEQUATIONBEFORESOLVINGANYPROBLEMSmolNO= molNOmolNO×molNO=molNO NH+ OName KEYAnswereachofthefollowingquestionsusingtheequationprovidedUse Avogadro'snumberforconversionNumberofatoms,molecules,orformulaunitsofsubstanceThismeansthatmolesofdifferentcompoundscontaindifferent Worksheet:Mole/MassProblemsMOLEPROBLEMSETAvogadro’sNumberandMolarMass)REPRESENTATIVEPARTICLESHowmanymolesof aluminumoxidearemadeifgofmanganomanganicoxideareconsumed?SHOWALLWORKInareactionbetweentheelementsaluminumandchlorine, aluminumchlorideisproducedConvertusingthemolarmassofthesubstanceAmountofsubstanceinmolesMOLEPROBLEMSETAvogadro’sNumberand MolarMass)REPRESENTATIVEPARTICLES.molesNa2OxgNa2O=gNa2OmoleNa2O)Howmanyatomsareinmolesofcadmium?moleCdxxatoms Cd=xatomsCdmoleCdAnswereachofthefollowingquestionsusingtheequationprovidedDirections:Foreachsubstancebelow,statetherepresentative particle(atom,ion,molecule,orformulaunit)SHOWALLWORK