Acetate C2H3O2- CH3COO- Bicarbonate HCO3- Nitrite NO2- Nitrate NO3- Cyanide CN- Hydroxide OH- Permanganate MnO4- Hypochlorite ClO- Chlorite ClO2- Chlorate ClO3- Perchlorate ClO4- Bromate BrO3- Iodate IO3- Oxalate C2O42- Sulfite SO32- Sulfate SO42- Carbonate CO32- Chromate CrO42- Dichromate Cr2O72- Phosphite PO33- Phosphate PO43- Borate BO33- Ammonium NH4+ C2H3O2- Acetate CH3COO- Acetate HCO3- Bicarbonate Hydrogen carbonate NO2- Nitrite NO3- Nitrate CN- Cyanide OH- Hydroxide MnO4- Permanganate ClO- Hypochlorite ClO2- Chlorite ClO3- Chlorate ClO4- Perchlorate BrO3- Bromate IO3- Iodate C2O42- Oxalate SO32- Sulfite SO42- Sulfate CO32- Carbonate CrO42- Chromate Cr2O72- Dichromate PO33- Phosphite PO43- Phosphate BO33- Borate NH4+ Ammonium