Fe3+ + 3NH3*H2O == Fe(OH)3↓ + 3NH4+Mg2+ + 2NH3*H2O == Mg(OH)2↓ + 2NH4+Ag+ + 2NH3*H2O == Ag[(NH3)2]OH + H+ (即银氨溶液)Cu2+ + 2NH3*H2O == Cu(OH)2↓ + 2NH4+Al3+ + 3NH3*H2O == Al(OH)3↓ + 3NH4+ （Al(OH...