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pH of Weak Bases

17. Acid and Base Equilibrium / pH of Weak Bases / Problem 2

Propionic acid (C₂H₅COOH) has a pK_a of 4.886. What is the pH of a 0.065 M sodium propionate solution?

A

5.15

B

8.85

C

6.25

D

7.75

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