A Buffer Is Prepared by Adding 300

question 100

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 = 1.8 × 10^-5

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

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