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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Question
Lactic acid, CH3CH(OH)COOH, has one acidic hydrogen. If a 0.209 M solution of lactic acid has a pH of 2.53, calculate the Ka of lactic acid.
Express your answer to the correct number of significant figures and in scientific notation.
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