Find the pH of a 0.10 M solution of benzoic acid,C6H5COOH,if the solution is also 0.15 M in C6H5COO-.Ka = 6.3 *10-5.
A) 9.62
B) 5.20
C) 4.02
D) 4.20
E) 4.38
Correct Answer:
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