chemistry 11 name: solution practice test · solution practice test name: date: block: 1. during a...

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Chemistry 11 Solution Practice Test Name: Date: Block: 1. During a lab activity, you dilute 45 mL of a 8.5 M HCl solution to a final volume of 120 mL. What is the resulting HCl concentration? a. 2.3 M b. 3.2 M c. 5.1 M d. 23 M 2. Which of the following equations correctly represents the dissociation of calcium chloride in water? a. CaCl (aq) à Ca + (aq) + Cl - (aq) b. CaCl2 (aq) à Ca 2+ (aq) + Cl - (aq) c. CaCl2 (aq) à Ca 2+ (aq) + 2Cl - (aq) d. CaCl2 (aq) +H2O à Ca 2+ (aq) + 2Cl - (aq) 3. When added to a solution containing Mg 2+ , which anion will create a precipitate? a. NO3 - b. Cl - c. OH - d. S 2- 4. When added to an iron (III) iodide solution, which of the following compounds will create a precipitate? a. cesium nitrate b. hydrochloric acid c. copper (II) sulphate d. ammonium hydroxide 5. How many mL of 0.550 M NaOH would be required to titrate 25.0 mL of a 0.388 M solution of hydrochloric acid? a. 17.6 mL b. 25.0 mL c. 35.4 mL d. 46.9 mL 6. A student must prepare a 3.00 L solution of 0.750 M NaOH. She is given a stock solution of 12.0 M NaOH. a. What volume of stock solution is needed to prepare the final solution? b. What volume of water was added to prepare the final solution?

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Page 1: Chemistry 11 Name: Solution Practice Test · Solution Practice Test Name: Date: Block: 1. During a lab activity, you dilute 45 mL of a 8.5 M HCl solution to a final volume of 120

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?

Page 2: Chemistry 11 Name: Solution Practice Test · Solution Practice Test Name: Date: Block: 1. During a lab activity, you dilute 45 mL of a 8.5 M HCl solution to a final volume of 120

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

Page 3: Chemistry 11 Name: Solution Practice Test · Solution Practice Test Name: Date: Block: 1. During a lab activity, you dilute 45 mL of a 8.5 M HCl solution to a final volume of 120

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.

Page 4: Chemistry 11 Name: Solution Practice Test · Solution Practice Test Name: Date: Block: 1. During a lab activity, you dilute 45 mL of a 8.5 M HCl solution to a final volume of 120

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?