§ 5.1 The Brønsted theory of acids and bases § 5.2 Ionization equilibrium of water and the pH scale § 5.3 Equilibrium in solutions of weak acids and weak bases § 5.4 Buffer solutions
§ 5.4 Buffer solutions § 5.3 Equilibrium in solutions of weak acids and weak bases § 5.2 Ionization equilibrium of water and the pH scale § 5.1 The Brønsted theory of acids and bases