When 40 mL of benzoic acid (C,H$COOH) and 35 mL of potassium hydroxide were titrated, the pH at the equivalence point was 9.12. Calculate the number of moles of potassium benzoate produced at the equivalence point. Kp of benzoate ion = 1.6 x 1010 %3D

Chemistry: Principles and Reactions
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Author:William L. Masterton, Cecile N. Hurley
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Chapter14: Equilibria In Acid-base Solutions
Section: Chapter Questions
Problem 74QAP: Fifty cm3 of 1.000 M nitrous acid is titrated with 0.850 M NaOH. What is the pH of the solution (a)...
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(а)
When 40 mL of benzoic acid (C,H;COOH) and 35 mL of potassium hydroxide were titrated, the
pH at the equivalence point was 9.12. Calculate the number of moles of potassium benzoate
produced at the equivalence point. Kp of benzoate ion = 1.6 x 101º
Transcribed Image Text:3. (а) When 40 mL of benzoic acid (C,H;COOH) and 35 mL of potassium hydroxide were titrated, the pH at the equivalence point was 9.12. Calculate the number of moles of potassium benzoate produced at the equivalence point. Kp of benzoate ion = 1.6 x 101º
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