Step 1. Calculate the initial amounts of C6H5COOH and NaOH.
• 30.0mL of 0.10M C6H5COOH
mol C6H5COOH = 0.003 mol C6H5COOH
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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