A student has a sample of 0.50 M lactic acid (HC3H5O3). She adds 10 mL of this solution to 40 mL of water, and then measures the pH to be 2.43. Write a chemical reaction for the dissociation of lactic acid in water determine its Ka.

Chemistry
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ISBN:9781133611097
Author:Steven S. Zumdahl
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Chapter15: Acid-base Equilibria
Section: Chapter Questions
Problem 8ALQ: You have a solution of the weak acid HA and add some of the salt NaA to it. What are the major...
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A student has a sample of 0.50 M lactic acid (HC3H5O3). She adds 10 mL of this solution to 40 mL of water, and then measures the pH to be 2.43. Write a chemical reaction for the dissociation of lactic acid in water determine its Ka.

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