A 0.419 M aqueous solution of monoprotic weak acid is measured to have a pH = 5.17. What is the value of Ka for this acid? Enter your answer in exponential format using a capital "E" (example 1.23E-4) and no units (value + 4%).

Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter14: Acids And Bases
Section: Chapter Questions
Problem 180CP
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QUESTION 13
A0.419 M aqueous solution of monoprotic weak acid is measured to have a pH = 5.17. What is the value of Ka for this acid?
Enter your answer in exponential format using a capital "E" (example 1.23E-4) and no units (value ± 4%).
Transcribed Image Text:QUESTION 13 A0.419 M aqueous solution of monoprotic weak acid is measured to have a pH = 5.17. What is the value of Ka for this acid? Enter your answer in exponential format using a capital "E" (example 1.23E-4) and no units (value ± 4%).
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