@franklindukes1: From Mr wampande frank, this is part of ionic equilibrium and part of the new Alevel chemistry and a lot has been written here to enhance the performance of our kids at Alevel. 1.It includes definition of acid and Base. 2.includes ionisation of weak acid and weak base. 3 PH of acid and Bases,salt hydrolysis with worked examples. 4 Buffer solutions 5 Action of acidic and basic buffer . Incase of any mistakes please forward to me and we erectify the issue.Commment for more educational materials