Calculate the pKₐ of lactic acid, given that when the concentration of lactic

Question

Calculate the pKₐ of lactic acid, given that when the concentration of lactic acid is 0.010M and the concentration of lactate is 0.087M, the pH is 4.80.

Options:

A . 4.0

B . 3.9

C . 3.3

D . 4.1

Answer: Option B
Answer: (b).3.9

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