1.1 2Al+6H2NO3=2Al(NO3)3 +3H21.2 Al2Cl3+3NaNO3=Al(NO3)3+3NaCl1.3 2Al2O3+6H2NO3=2Al(HO3)3+3H2O2.1 2Cu2O3+6HCl=2CuCl3+3H2O2.2 Cu(OH)3+3NaCl=CuCl3+3NaOH2.3 3CuPO4+3CaCl2=2CuCl3+Ca3(PO4)3