<Dd> AB ⇌ A + B </Dd> <P> the dissociation constant K is the ratio of dissociated to undissociated compound </P> <Dl> <Dd> K a = (A) (B) (A B) (\ displaystyle K_ (a) = \ mathrm (\ frac ((A) (B)) ((AB)))) </Dd> </Dl> <Dd> K a = (A) (B) (A B) (\ displaystyle K_ (a) = \ mathrm (\ frac ((A) (B)) ((AB)))) </Dd>

Electrolyte that dissociates into h+ and an anion