When 0.040 mol of propionic acid, C2H5CO2H, is dissolved in 700 mL of water, the equilibrium concentration of H3O+ ions is measured to be 2.19 x 10−3 M. What is Ka for this acid?

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter14: Acids And Bases
Section: Chapter Questions
Problem 57QRT: The pH of a 0.10-M solution of propanoic acid, CH3CH2COOH, a weak organic acid, is measured at...
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When 0.040 mol of propionic acid, C2H5CO2H, is dissolved in 700 mL of water, the equilibrium concentration of H3O+ ions is measured to be 2.19 x 10−3 M. What is Ka for this acid?

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