Ammonium
NH4 to the power of +1
Acetate
CH3COO to the power of -1
Cyanide
CN to the power of -1
Hydrogen carbonate (bicarbonate)
HCO3 to the power of -1
Hydroxide
OH to the power of -1
Hypochlorite
ClO to the power of -1
Nitrate
NO3 to the power of -1
Carbonate
CO3 to the power of -2
Sulfate
SO4 to the power of -2
Phosphate
PO4 to the power of -3
Chromate
CrO4 to the power of -2
perchlorate
ClO4 power of -1