Find the PH of a 0

question 44

Multiple Choice

Find the pH of a 0.10 M solution of benzoic acid,C₆H₅COOH,if the solution is also 0.15 M in C₆H₅COO^-.K_a = 6.3 *10^-5.

• A)9.62
• B)5.20
• C)4.02
• D)4.20
• E)4.38

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