Calculating the pH of a buffer A solution prepared at 25 °C that is initially 0.10M in benzoic acid (HC6H5CO₂), a weak acid with Ka = 6.3 × 10 and 0.27M in potassium benzoate (KC6H5CO2). Calculate the pH of the solution. Round your answer to 2 decimal places. -5 ' pH ☐ = ك 000 18 Ar

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