What Is the PH of a Buffer Solution That Is

question 83

Multiple Choice

What is the pH of a buffer solution that is 0.211 M in lactic acid and 0.111 M in sodium lactate? The K_a of lactic acid is 1.37 × 10^{- 4}.

• A) 4.13
• B) 3.57
• C) 5.48
• D) 14.28
• E) 10.43

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