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CHM 112
Section 1

Homework Assignment #21
Due March 31, 2006 by 8:05 a.m.

Practice (not to be turned in): 16.1, 16.19, 16.20, 16.24, 16.26, Practice reactions 21-40

Complete and balance the following reactions. (Hints: Not all of these reactions use the simple solubility rules so use the Table of Solubility Product Constants and don't forget about acid-base reactions!)



Set 0)

  1. Mn(NO3)2(aq) + Na2S(aq) MnS(s) + 2 Na+(aq) + 2 NO3(aq)

  2. Ni(ClO4)2(aq) + 2 KOH(aq) Ni(OH)2(s) + 2 K+(aq) + 2 ClO4(aq)

  3. 3 Mg(C2H3O2)2(aq) + 2 H3AsO4(aq) Mg3(AsO4)2(s) + 6 CH3CO2H(aq)


Set 1)

  1. Fe(C2H3O2)2(aq) + K2S(aq) FeS(s) + 2 K+(aq) + 2 C2H3O2(aq)

  2. Co(ClO4)2(aq) + 2 RbOH(aq) Co(OH)2(s) + 2 Rb+(aq) + 2 ClO4(aq)

  3. 3 AgNO3(aq) + H3AsO4(aq) + 3 H2O(l) Ag3AsO4(s) + 3 H3O+(aq) + 3 NO3(aq)


Set 2)

  1. Cu(NO3)2(aq) + Li2S(aq) CuS(s) + 2 Li+(aq) + 2 NO3(aq)

  2. Cr(ClO4)3(aq) + 3 CsOH(aq) Cr(OH)3(s) + 3 Cs+(aq) + 3 ClO4(aq)

  3. 3 Pb(C2H3O2)2(aq) + 2 H3AsO4(aq) Pb3(AsO4)2(s) + 6 CH3CO2H(aq)


Set 3)

  1. Zn(NO3)2(aq) + Cs2S(aq) ZnS(s) + 2 Cs+(aq) + 2 NO3(aq)

  2. Al(ClO4)3(aq) + 3 NaOH(aq) Al(OH)3(s) + 3 Na+(aq) + 3 ClO4(aq)

  3. 3 Cu(C2H3O2)2(aq) + 2 H3AsO4(aq) Cu3(AsO4)2(s) + 6 CH3CO2H(aq)


Set 4)

  1. Ni(NO3)2(aq) + Na2S(aq) NiS(s) + 2 Na+(aq) + 2 NO3(aq)

  2. Cd(ClO4)2(aq) + 2 KOH(aq) Cd(OH)2(s) + 2 K+(aq) + 2 ClO4(aq)

  3. Mg(C2H3O2)2(aq) + H2C2O4(aq) MgC2O4(s) + 2 CH3CO2H(aq)


Set 5)

  1. Ba(NO3)2(aq) + Na2CrO4(aq) BaCrO4(s) + 2 Na+(aq) + 2 NO3(aq)

  2. CuClO4(aq) + KCN(aq) CuCN(s) + K+(aq) + ClO4(aq)

  3. Cd(C2H3O2)2(aq) + H2C2O4(aq) CdC2O4(s) + 2 CH3CO2H(aq)


Set 6)

  1. Cu(NO3)2(aq) + K2CrO4(aq) CuCrO4(s) + 2 K+(aq) + 2 NO3(aq)

  2. Pb(ClO4)2(aq) + 2 NaN3(aq) Pb(N3)2(s) + 2 Na+(aq) + 2 ClO4(aq)

  3. Ca(C2H3O2)2(aq) + H2C2O4(aq) CaC2O4(s) + 2 CH3CO2H(aq)


Set 7)

  1. AgNO3(aq) + NaCN(aq) AgCN(s) + Na+(aq) + NO3(aq)

  2. TlClO4(aq) + KCl(aq) TlCl(s) + K+(aq) + ClO4(aq)

  3. Zn(C2H3O2)2(aq) + H2C2O4(aq) ZnC2O4(s) + 2 CH3CO2H(aq)


Set 8)

  1. Sn(NO3)2(aq) + Li2S(aq) SnS(s) + 2 Li+(aq) + 2 NO3(aq)

  2. TlClO4(aq) + NaBr(aq) TlBr(s) + Na+(aq) + ClO4(aq)

  3. Ba(C2H3O2)2(aq) + H2SO3(aq) BaSO3(s) + 2 CH3CO2H(aq)


Set 9)

  1. Hg(NO3)2(aq) + Na2S(aq) HgS(s) + 2 Na+(aq) + 2 NO3(aq)

  2. TlC2H3O2(aq) + KI(aq) TlI(s) + K+(aq) + C2H3O2(aq)

  3. AgClO4(aq) + HIO3(aq) + H2O(l) AgIO3(s) + H3O+(aq) + ClO4(aq)