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The Ka of Benzoic Acid Is 6

Question 86

Multiple Choice

The Ka of benzoic acid is 6.30 × 10-5.The pH of a buffer prepared by combining 50.0 mL of The K<sub>a</sub> of benzoic acid is 6.30 × 10<sup>-5</sup>.The pH of a buffer prepared by combining 50.0 mL of potassium benzoate and 50.0 mL of 1.00 M benzoic acid is ________. A) 1.705 B) 0.851 C) 3.406 D) 4.201 E) 2.383 potassium benzoate and 50.0 mL of 1.00 M benzoic acid is ________.


A) 1.705
B) 0.851
C) 3.406
D) 4.201
E) 2.383

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