cid is used to titrate an unknown base, and the pH of solution is recorded during the titration. Halfway to the ultimate endpoint of the pi of solution was recorded at 9.46. What is the value of K, for the unknown base? erect numeric value to 2.0% precision. Express scientihe netation like 4.290-15

Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter15: Acid–base Equilibria
Section: Chapter Questions
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1. When a 20 ml sample of KOH solution is titrated with a standard solution of 0.421 M benzoic acid, it takes 19.89 ml to reach the equivalence
point of the titration. What was the original concentration of the base?
Enter the correct numeric value to 2.0% precision. Express scientific notation like 4.29E-15
M
2. Benzoic acid is used to titrate an unknown base, and the pH of solution is recorded during the titration. Halfway to the ultimate endpoint of the
titration, the pH of solution was recorded at 9.46. What is the value of Kp, for the unknown base?
Enter the correct numeric value to 2.0% precinlon. Express scientihc notation like 4.29E-15
Transcribed Image Text:1. When a 20 ml sample of KOH solution is titrated with a standard solution of 0.421 M benzoic acid, it takes 19.89 ml to reach the equivalence point of the titration. What was the original concentration of the base? Enter the correct numeric value to 2.0% precision. Express scientific notation like 4.29E-15 M 2. Benzoic acid is used to titrate an unknown base, and the pH of solution is recorded during the titration. Halfway to the ultimate endpoint of the titration, the pH of solution was recorded at 9.46. What is the value of Kp, for the unknown base? Enter the correct numeric value to 2.0% precinlon. Express scientihc notation like 4.29E-15
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