Calculate the PH of a Buffer Solution That Contains 0

question 100

Multiple Choice

Calculate the pH of a buffer solution that contains 0.25 M benzoic acid (C₆H₅CO₂H) and 0.15M sodium benzoate (C₆H₅COONa) . [K_a = 6.5 * 10^-5 for benzoic acid]

• A) 3.97
• B) 4.83
• C) 4.19
• D) 3.40
• E) 4.41

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