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Calculate the PH of a Buffer Solution That Contains 0

Question 110

Multiple Choice

Calculate the pH of a buffer solution that contains 0.25 M benzoic acid (C6H5CO2H) and 0.15M sodium benzoate (C6H5COONa) .[Ka = 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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