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A Buffer Is Prepared by Adding 300

Question 109

Multiple Choice

A buffer is prepared by adding 300.0 mL of 2.0 M NaOH to 500.0 mL of 2.0 M CH₃COOH. What is the pH of this buffer? [K_a(CH₃COOH) = 1.8 × 10^-5]

A) 4.57
B) 4.52
C) 4.87
D) 4.92
E) 4.97

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