<Dl> <Dd> K a = (H +) (A −) (HA) (\ displaystyle K_ (\ ce (a)) = (\ ce (\ frac ((H ^ (+)) (A ^ (-))) ((HA))))) </Dd> </Dl> <Dd> K a = (H +) (A −) (HA) (\ displaystyle K_ (\ ce (a)) = (\ ce (\ frac ((H ^ (+)) (A ^ (-))) ((HA))))) </Dd> <P> However a more accurate description is provided by the Brønsted--Lowry acid--base theory, which specifies that the proton H+ does not exist as such in solution but is instead accepted by (bonded to) a water molecule to form the hydronium ion H O . </P> <P> The reaction is therefore more correctly written as </P>

Acids are ionic compounds that relate to which element