A sample of sour milk was found to be 0.1 M solution of lactic acid CH_(3) CH(OH)CO OH. What is the pH of the sample of milk ? K_(a) for lactic acid at 25^(@)C is 1.37xx10^(-4).

A sample of sour milk was found to be 0.1 M solution of lactic acid CH

1.	A sample of sour milk was found to be 0.1 M solution of lactic acid CH_(3) CH(OH)CO OH. What is the pH of the sample of milk ? K_(a) for lactic acid at 25^(@)C is 1.37xx10^(-4).
Answer» ANSWER :2.43