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