Calculate the PH of a Solution Formed by Mixing 150

question 103

Multiple Choice

Calculate the pH of a solution formed by mixing 150.0 mL of 0.10 mol L^-1 C₆H₅COOH with 100.0 mL of 0.30 mol L^-1 C₆H₅COONa. The K_a for C₆H₅COOH is 6.5 × 10^-5.

• A) 4.19
• B) 9.69
• C) 4.49
• D) 4.31
• E) 10.51

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