Calculate the PH of a Solution Prepared by Dissolving 0

question 68

Multiple Choice

Calculate the pH of a solution prepared by dissolving 0.250 mol of benzoic acid (C₇H₅O₂H) and 0.150 mol of sodium benzoate (NaC₇H₅O₂) in water sufficient to yield 1.00 L of solution. The K_a of benzoic acid is 6.50 × 10^-5.

• A)4.409
• B)3.965
• C)10.035
• D)9.591
• E)5.190

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