For a titration of a monoprotic weak acid with a strong base
CHEMISTRY · Single correct · A Level · Chemistry · Acids and bases · Acids and bases
Problem
For a titration of a monoprotic weak acid with a strong base, at which point on the titration curve is the pH numerically equal to the acid’s pKa?
(a) At the equivalence point where moles of acid equal moles of base
(b) When equal volumes of the acid and base solutions have been mixed
(c) At the half-equivalence point
(d) At the endpoint indicated by the phenolphthalein color change