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Question 118

Multiple Choice

You have 500.0 mL of a buffer solution containing 0.30 M acetic acid (CH3COOH) and 0.20 M sodium acetate (CH3COONa) . What will the pH of this solution be after the addition of 20.0 mL of 1.00 M NaOH solution? [Ka(CH3COOH) = 1.8 × 10-5]


A) 4.65
B) 4.71
C) 4.56
D) 4.84
E) 5.07

Correct Answer:

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