ineed to know what to classify these H2O, NH4+,NH,HCN, (CO3)2- is it acid or base or both?
- Gervald FLv 71 decade agoFavorite Answer
H2O is both.
HCN and NH4+ are acids.
(CO3)2- is a base, and the formula which I think you've got wrong is NH3, which is also a base.
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