The Ka of benzoic acid is 6.30 × 10-5.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
Correct Answer:
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