A buffer solution contains 0.202 M of a weak acid and 0.224 M of its conjugate base. The K, of the acid is 2.3 x 10-8 What is the pka of the acid? What is the pH of this buffer solution? If 0.0155 moles of potassium hydroxide are added to 1 L of this buffer, what is the pH of the resulting buffer solution? (Assume that the volume does not change upon adding potassium hydroxide. )

Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter14: Equilibria In Acid-base Solutions
Section: Chapter Questions
Problem 29QAP: A buffer is made up of 0.300 L each of 0.500 M KH2PO4 and 0.317 M K2HPO4. Assuming that volumes are...
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A buffer solution contains 0.202 M of a weak acid and 0.224 M of its conjugate base. The K, of the acid is 2.3 x 10-8.
What is the pka of the acid?
What is the pH of this buffer solution?
If 0.0155 moles of potassium hydroxide are added to 1 L of this buffer, what is the pH of the resulting buffer solution?
(Assume that the volume does not change upon adding potassium hydroxide. )
Transcribed Image Text:A buffer solution contains 0.202 M of a weak acid and 0.224 M of its conjugate base. The K, of the acid is 2.3 x 10-8. What is the pka of the acid? What is the pH of this buffer solution? If 0.0155 moles of potassium hydroxide are added to 1 L of this buffer, what is the pH of the resulting buffer solution? (Assume that the volume does not change upon adding potassium hydroxide. )
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