Solutions Quiz Review Page 1

Solutions Quiz Review Page | 1

1. Vocabulary

2. Write the dissociation equation for the following soluble ionic compounds.

Solutions Quiz Review Page | 1

Solutions Quiz Review Page | 1

a. NaCl (s) Na+ + Cl-

b. Mn(C2H3O2)2 (s) Mn2+ + 2C2H3O2-

c. Sr(OH)2 (s) Sr2+ + 2OH-

d. K2SO4 (s) 2K+ + SO42-

e. Barium hydroxide

Ba(OH)2 (s) Ba2+ + 2OH-

f. Ammonium phosphate

(NH4)3PO4 3NH4+ + PO43-

g. Copper (II) chloride

CuCl2 Cu2+ 2Cl-

h. Nickel (IV) sulfate

Ni(SO4)2 Ni4+ + 2 SO42-

Solutions Quiz Review Page | 1

3 Complete the following chart

Formula / Lewis Structure / Polar, Nonpolar or Ionic? / Soluble in Water or Carbon Tetrachloride?
CH4 / / Nonpolar / CCl4
HBr / / Polar / H2O
Cl2 / / Nonpolar / CCl4
Na2S / / Ionic / H2O
AlCl3 / / Ionic / H2O

4. Answers the following questions based on Table G

a. The number of grams of potassium nitrate needed to saturate 100 mL of water at 30°C is______47 g KNO3______.

b. The formulas of the compounds which vary inversely with the temperature are _____NH3______,_____HCl______

and ______SO2______.

c. 100mL of a saturated KCl solution at 80°C will precipitate 10 grams of salt when cooled to what temperature?__48 oC______

d. The two salts that have the same degree of solubility at 70°C are ____NaNO3______and_____KNO3______.

e. The number of grams of sodium nitrate that must be added to 35 mL of water to produce a saturated solution at 50°C is

.

f. How many more grams of ammonia can be dissolved in 200 mL of water at 10°C than at 90°C?

Honors Solubility Rules

5. Are the following compounds soluble (S) or insoluble (I)?

1. SrCl2 ___S___ 2. Mn(ClO3)2 _S_ 3. Ca3(PO4)2 _I_ 4. Ba(OH)2 __S__ 5. Mg(NO3)2 __S_ 6. FeCrO4 __I___ 7. K2CO3 __S____

8. MnS ___I___ 9. PbCl2 __I___ 10. Cr(C2H3O2)3_S_ 11. Ag3PO4 __I__ 12.Al(OH)3 __I__ 13. Na2S __S_ 14. CaCO3__I__

6. Writing Net Ionic Equations using Table F

1.  ___CaCl2 (aq) + ___ Pb(NO3)2 (aq) à Ca(NO3)2 (aq) + Pb(Cl)2 (s)

Complete IE:__Ca2+ + 2Cl- + Pb2+ + 2NO3- à Ca2+ + 2NO3- + Pb(Cl)2 (s)______

Net IE: __ 2Cl- + Pb2+ à _Pb(Cl)2 (s)______

2.  _2_NaBr (aq) + ___ Pb(C2H3O2)2(aq) à 2 NaC2H3O2 (aq) + PbBr2 (s)

Complete IE:__2Na+ + 2Br- + Pb2+ + 2 C2H3O2- à 2Na+ + 2 C2H3O2- + PbBr2 (s)______

Net IE: __2Br- + Pb2+ à PbBr2 (s)______

3.  ___BeSO4 (aq) + ___ Ba(NO3)2 (aq) à Be(NO3)2 (aq) + BaSO4 (s)

Complete IE:__Be2+ + SO42- + Ba2+ + 2NO3- à Be2+ + 2NO3- + BaSO4 (s) ______

Net IE: ___ SO42- + Ba2+ à BaSO4 (s) ______

4.  _3_Sr(ClO4)2 (aq) + _2_K3PO4 (aq) à Sr3(PO4)2 (s) + 6KClO4 (aq)

Complete IE:__3Sr2+ + 2ClO4- + 6K+ + 2PO43- à Sr3(PO4)2 (s) + 6K+ + 2ClO4- ______

Net IE: __3Sr2+ + 2PO43- à Sr3(PO4)2 (s) ______

5.  ___FeCl3 (aq) + __3_ AgNO3 (aq) à Fe(NO3)3 (aq) + 3 AgCl (s)

Complete IE:__Fe3+ + 3Cl- + 3 Ag+ + 3 NO3- à Fe3+ + 3 NO3- + 3 AgCl (s) ______

Net IE: __Ag+ + Cl- à AgCl (s)______