S2- +H2O=HS- +OH-CO3 2- +H2O =HCO3 -+OH-AL3+ +3H2O =3H+ +AL(OH)3Fe2+ +2H2O =2H+ +Fe(OH)2NH4+ +H2O=NH4OH+ H+CH3COO- +H2O=CH3COOH +OH-CLO- +H2O=HCLO +OH-F- +H2O=HF +OH-