2. Bases Properties and Examples

Salts of weak bases and strong acids

Weak bases react with strong acids to form acidic salt solutions. The conjugate acid of the weak base determines its pH. For example, NH3 (ammonia) is added to HCl (hydrochloric acid) to form NH4Cl (ammonium chloride).NH3(aq) + HCl(aq) → NH4Cl(aq)  weak       strong          salt  base        acid

As soon as the salt is formed it reacts with water, resulting in a slightly acidic solution.

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