See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

3 3 2 CH COOH NaOH CH COONa H O 1 1 Initialm. mol 40 40 0 10 10 4 4 Final m.mol 0 0 4          2 3 4 CH COONa 5 10 M 80     a 1 1 pH 7 pK logC 2 2       2