A buffer solution contains 0.316 M KHCO₃ and 0.357 M K₂CO₃.If 0.0170 moles of sodium hydroxide are added to 125 mL of this buffer, what is the pH of the resulting solution? (Assume that the volume does not change upon adding sodium hydroxide)pH = [ ]

Answered: A buffer solution contains 0.316 M…

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

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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A buffer solution contains 0.316 M KHCO₃ and 0.357 M K₂CO₃.

If 0.0170 moles of sodium hydroxide are added to 125 mL of this buffer, what is the pH of the resulting solution? (Assume that the volume does not change upon adding sodium hydroxide)

pH = [ ]

Expert Solution

Step 1: Define buffer

A buffer is a solution which resists any change in pH on adding a small amount of acid or base. It is made up of weak acid and its conjugate salt or weak base and its conjugate salt.

NOTE: please note as pKa value is not provided, I have used standard value.If your question SPECIFICALLY asks you to use some particular value, please use that otherwise it will showa INCORRECT solution.

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