Multiple Choice
What is the pH of a buffer solution containing 0.155 mol dm-3 of benzoic acid and 0.315 mol dm-3 sodium benzoate. (Ka of benzoic acid is 4.20.)
A) 0.50
B) -0.50
C) 3.89
D) 4.51
Correct Answer:
Verified
Correct Answer:
Verified
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