For a certain acid pK₂ = 6.59. Calculate the pH at which an aqueous solution of this acid would be 0.36% dissociated. Round your answer to 2 decimal places. pH = X

Chemistry
10th Edition
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
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Problem 33Q: Students are often surprised to learn that organic acids, such as acetic acid, contain OH groups....
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For a certain acid pK = 6.59. Calculate the pH at which an aqueous solution of this acid would be 0.36% dissociated. Round your
a
answer to 2 decimal places.
pH =
X
3
Transcribed Image Text:For a certain acid pK = 6.59. Calculate the pH at which an aqueous solution of this acid would be 0.36% dissociated. Round your a answer to 2 decimal places. pH = X 3
Expert Solution
Step 1

Given that, for a certain acid pKa = 6.59.

The degree of dissociation of the acid in an aqueous solution is 0.36%, i.e., α = 0.36% = 0.36100 = 0.036.

We have to calculate the pH of that solution.

FormulapH = 12pKa-logC and Ka = α2C1-α.

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