Final answer:
The equivalence point between a weak acid and a strong base is above pH 7 because the titration produces an acid. The pH change around the equivalence point decreases as the acid or base being titrated becomes weaker.
Step-by-step explanation:
The pH at the equivalence point of a titration between a weak acid and a strong base is above pH 7 because the titration produces an acid. The identity of the weak acid or weak base being titrated strongly affects the shape of the titration curve. As the acid or base being titrated becomes weaker, the pH change around the equivalence point decreases significantly.