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Henderson Hasselbalch Equation

2. Water / Henderson Hasselbalch Equation / Problem 7

Problem 7

Calculate the pH of a solution with a pKa of 3.0 and a conjugate base to conjugate acid ratio of 0.2 using the Henderson Hasselbalch equation.

A

pH = 3.0 + log(0.2) = 3.3

B

pH = 3.0 + log(0.2) = 2.5

C

pH = 3.0 + log(0.2) = 3.5

D

pH = 3.0 + log(0.2) = 2.7