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Find the pH of the solution using Henderson-Hasselbalch.

1. What is the pH of a solution of 0.49 M acid and 0.29 M of its conjugate base if the ionization constant is 5.92 x 10-8?

A. 7.72
B. 7.98
C. 7.46
D. 8.21
E. 7.00

2. What is the pH of a solution of 0.81 M acid and 0.35 M of its conjugate base if the ionization Constant is 5.45 x 10-8?

A. 7.33
B. 6.42
C. 7.63
D. 6.70
E. 6.90

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