`CH_3COOH` (50 ml, 0.1 M) is titrated against 0.1 M NaOH solution. Calculate the pH at the addition of 0 ml, 10 ml, 20 ml, 25 ml, 40 ml, 50 ml of NaOH. Ka of `CH_3COOH" is "2 xx 10^(-5)`.

Answer

i. 2.85 ii. 4.0969 iii. 4.5229 iv 4.699 v. 5.301 vi 8.699