Question

Calculate the pH of each solution.

A solution containing 0.0345 M0.0345 M maleic acid and 0.047 M0.047 M disodium maleate. The ?aKa values for maleic acid are 1.20×10−2 (?a1)1.20×10−2 (Ka1) and 5.37×10−7 (?a2).5.37×10−7 (Ka2).

pH=

A solution containing 0.0320 M0.0320 M succinic acid and 0.018 M0.018 M potassium hydrogen succinate. The ?aKa values for succinic acid are 6.21×10−5 (?a1)6.21×10−5 (Ka1) and 2.31×10−6 (?a2).2.31×10−6 (Ka2).

pH=

Answer 1