You Have 500

question 76

Multiple Choice

You have 500.0 mL of a buffer solution containing 0.20 M acetic acid (CH₃COOH) and 0.30 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? [K_a(CH₃COOH) = 1.8 × 10^-5]

• A) 4.41
• B) 4.74
• C) 4.56
• D) 4.92
• E) 5.07

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