<Dd> HA + B → BH + A </Dd> <P> where HA represents the acid, B represents the base, BH represents the conjugate acid of B, and A represents the conjugate base of HA . </P> <P> For example, a Brønsted - Lowry model for the dissociation of hydrochloric acid (HCl) in aqueous solution would be the following: </P> <Dl> <Dd> HCl + H O ⇌ H O + Cl </Dd> </Dl>

Hcl is an example of an acid or base