9. A buffer solution was prepared by dissolving 0.15 mol of sodium ethanoate in 1 dm³ of 0.10 mol dm³ ethanoic acid. a. Calculate the pH of the buffer solution above. b. Calculate the change in pH when 1.0 cm³ of 1.0 mol dm³ hydrochloric acid is added. to 100 cm³ of the buffer solution.

9. A buffer solution was prepared by dissolving 0.15 mol of sodium ethanoate in 1 dm³ of 0.10 mol dm³ ethanoic acid. a. Calculate the pH of the buffer solution above. b. Calculate the change in pH when 1.0 cm³ of 1.0 mol dm³ hydrochloric acid is added. to 100 cm³ of the buffer solution.

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

Chapter15: Acid-base Equilibria

Section: Chapter Questions

Problem 88AE: Consider die titration of 50.0 mL of 0.10 M H3A (Ka1 = 5.0 104, Ka2 = 1.0 108, Ka3 = 1.0 1012)...

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Question

9. A buffer solution was prepared by dissolving 0.15 mol of sodium ethanoate in 1 dm³ of 0.10
mol dm³ ethanoic acid.
a. Calculate the pH of the buffer solution above.
b. Calculate the change in pH when 1.0 cm³ of 1.0 mol dm³ hydrochloric acid is added
to 100 cm³ of the buffer solution.

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