Question

A 25 mL buffer solution is prepared by mixing 0.1 M CH₃COOH and 0.01 M CH₃COONa. If the pKa of CH₃COOH solution is 4.76. Then calculate pH of the solution.

(1) 4.76
(2) 3.76
(3) 5.76
(4) 2.76

Answer 1

Correct option is (2) 3.76

For acidic buffer solution