What Is the PH of a Buffer Solution That Is

question 144

Multiple Choice

What is the pH of a buffer solution that is 0.222 M in lactic acid and 0.132 M in sodium lactate? The K_a of lactic acid is 1.4 × 10^-4.

• A) 14.23
• B) 10.38
• C) 5.39
• D) 3.62
• E) 4.08

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