chemistry 11 name: solution practice test · solution practice test name: date: block: 1. during a...
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Chemistry11SolutionPracticeTest
Name:Date:Block:
1. Duringalabactivity,youdilute45mLofa8.5MHClsolutiontoafinalvolumeof120mL.WhatistheresultingHClconcentration?
a. 2.3Mb. 3.2Mc. 5.1Md. 23M
2. Whichofthefollowingequationscorrectlyrepresentsthedissociationofcalciumchlorideinwater?
a. CaCl(aq)àCa+(aq)+Cl-(aq)b. CaCl2(aq)àCa2+(aq)+Cl-(aq)c. CaCl2(aq)àCa2+(aq)+2Cl-(aq)d. CaCl2(aq)+H2OàCa2+(aq)+2Cl-(aq)
3. WhenaddedtoasolutioncontainingMg2+,whichanionwillcreateaprecipitate?
a. NO3-b. Cl-c. OH-d. S2-
4. Whenaddedtoaniron(III)iodidesolution,whichofthefollowingcompoundswillcreatea
precipitate?a. cesiumnitrateb. hydrochloricacidc. copper(II)sulphated. ammoniumhydroxide
5. HowmanymLof0.550MNaOHwouldberequiredtotitrate25.0mLofa0.388Msolutionof
hydrochloricacid?a. 17.6mLb. 25.0mLc. 35.4mLd. 46.9mL
6. Astudentmustpreparea3.00Lsolutionof0.750MNaOH.Sheisgivenastocksolutionof12.0MNaOH.
a. Whatvolumeofstocksolutionisneededtopreparethefinalsolution?
b. Whatvolumeofwaterwasaddedtopreparethefinalsolution?
7. MnSO4wasdissolvedinwater.Whatistheionizationequation?
8. Achemistmixesa225mLofa3.8MNa2CO3solutionwith3.8gofK2CO3.Whatistheconcentrationofeachioninthissolution?
9. Forthefollowingsolutions,useaflowcharttodescribetheprocessofseparatingtheionsfromeachother.
a. Mg2+,Pb2+andZn2+
b. OH-,PO43-,S2-
10. Predicttheproductsinthefollowingreactions.Then,balancetheequations.Besuretoindicatethestate(aqors),ofeachproduct.
a. ______CaCl2(aq)+______KNO3(aq)à
b. ______HCl(aq)+______Ca(OH)2(aq)à
11. Writeaformulaequation,completeionicequationandnetionicequationforthefollowingreactions:
a. Strontiumhydroxideandzincchloride
b. Ammoniumbromideandcopper(I)sulphate
12. Determinewhetherthefollowingaresolubleorhavelowsolubility.
a. Bariumchloride soluble/lowsolubility(circleone)
b. Sn(OH)4 soluble/lowsolubility(circleone)
13. Atitrationwasperformedthatrequired12.7mLof0.150MMg(OH)2totitrate25.00mLofahydrochloricacid,HCl,solution.Determinethemolarityofthehydrochloricacid.
14. Considerthefollowingresultsfromatitrationlab.
4.50gofKOHwasdissolvedtomakea100.mLsolutionBelowisthevolumeoftheKOHsolutionneededtoneutralize15.0mLH3PO4.
Trial#1 Trial#2 Trial#3 Trial#4
Initialreadingofburette(mL)
2.56 8.95 13.35 17.55
Finalreadingofburette(mL)
8.95 13.35 17.55 21.75
VolumeofKOH(mL)
a. WhatistheconcentrationofthestandardizedsolutionofKOH?
b. WhatwastheaveragevolumeofKOHwasneeded?(Onlyusedatafromthreetrials!!)
c. Whatistheconcentrationoftheacid?