is HNO3 acid, base, or salt?
HNO3 is an acid, because in aqueous solutions it can dissociate, releasing hydrogen ions. All acids are proton donors.
The chemical equation for the dissociation reaction of HNO3 is
HNO3 + H2O-> H3O+& +& NO3-
whereas the base dissociates to give hydroxide ions in aqueous solutions. Bases are proton acceptors.
The base combines with acid to form salt. The salt contains metal ion& and acid residual
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