CHEMISTRY · Subjective · A Level · Chemistry · Acids and bases · Acids and bases
Problem
A diprotic acid is titrated with 0.100 M NaOH. The first and second equivalence points occur at 12.0 mL and 24.0 mL of base added, respectively. The pH recorded at 18.0 mL of added base is 8.16. Calculate Ka2 for the acid’s second dissociation.