Calculate the pH of a buffer solution that contains 0.25 M benzoic acid (C6H5CO₂H) and 0.15 M sodium benzoate (C6H5COONa). (K₂ = 6.5 x 10-5 for benzoic acid)

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.