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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 Ka 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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