What is the pH when 10 mL of a 0.15 M NaOH solution is added to 25 mL of a 0.1 M solution of benzoic acid (pKa = 4.20)?

Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter13: Acids And Bases
Section: Chapter Questions
Problem 31QAP: What is the pH of a solution obtained by adding 13.0 g of NaOH to 795 mL of a 0.200 M solution of...
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What is the pH when 10 mL of a 0.15 M NaOH solution is added to 25 mL of a 0.1 M solution of benzoic acid (pKa = 4.20)?  

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