Problem: Calculate the pH of a solution prepared by mixing 15.0mL of 0.10M NaOH and 30.0mL of 0.10M benzoic acid solution. (Benzoic acid is monoprotic; its dissociation constant is 6.5 x 10-5.)

FREE Expert Solution

Step 1. Calculate the initial amounts of C6H5COOH and NaOH.

30.0mL of 0.10M C6H5COOH

mol C6H5COOH=(30.0 mL×10-3 L1 mL)0.10 mol C6H5COOHL

mol C6H5COOH = 0.003 mol C6H5COOH


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Problem Details

Calculate the pH of a solution prepared by mixing 15.0mL of 0.10M NaOH and 30.0mL of 0.10M benzoic acid solution. (Benzoic acid is monoprotic; its dissociation constant is 6.5 x 10-5.)

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