What Is the PH of an Aqueous Solution That Contains

question 41

Multiple Choice

What is the pH of an aqueous solution that contains 0.39 M C₆H₅COOH and 0.14 M C₆H₅COONa?
K _a(C₆H₅COOH) = 6.3×10 ^{- 5}

• A) pH = 0.409
• B) pH = 3.76
• C) pH = 4.65
• D) pH = 6.29
• E) pH = 8.65

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