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Carbonate
CO_3
Hydroxide
OH
Nitrate
NO_3
Phosphate
PO_4
Sulfate
SO_4
what is the charge of: CO_3
2-
what is the charge of: OH
1-
what is the charge of: NO_3
3-
what is the charge of: PO_4
3-
what is the charge of: SO_4
2-
Ammonium
NH_4
what is the charge of: NH_4
1+