36、Cu2++SO42－+ Ba2++2OH-══Cu(OH)2↓+ BaSO4↓
35.Mg(OH)2+2CH3COOH 2CH3COO－+Mg2++2H2O
34、CH3COOH+NH3·H2O CH3COO－+NH4++H2O
33、2Cu2++2H2O 2Cu+O2↑+4H+
32、2Cl－+2H2O C12↑+ H2↑+ 2OH-
31、 FeS +4H++2NO3－ Fe3++NO↑+S↓+2 H2O
30、3Fe+8H++2NO3-=3Fe3++2NO↑+4H2O
29、3Ag+4H++NO3－ 3Ag++ NO↑+ 2H2O
28、3Cu+8H++2NO3－ 3Cu2++ 2NO↑+ 4H2O
27、Cu+4H++2NO3－ Cu2++ 2NO2↑+ 2H2O
CH3COOH+NH3·H2O CH3COO－+NH4++H2O
2Cu+O2↑+4H+