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Amino Acids and Henderson-Hasselbalch

3. Amino Acids / Amino Acids and Henderson-Hasselbalch / Problem 7

Problem 7

A solution contains 0.3 M lactic acid (pKa = 3.86) and 0.15 M sodium lactate. What is the pH of the solution?

A

3.26

B

3.86

C

3.56

D

4.16