12aCConsider a buffer made by adding 132.8 g of NaC,H₂O₂ to 300.0 mL of 1.51 M HC₂H₂O₂ (Ka = 6.3 x 10¹5)What is the pH of this buffer?What is the pH of the buffer after 0.750 mol of H+ have been added?What is the pH of the buffer after 0.250 mol of OH have been added?

Answered: 12 a C Consider a buffer made by adding…

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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12
a
C
Consider a buffer made by adding 132.8 g of NaC,H₂O₂ to 300.0 mL of 1.51 M HC₂H₂O₂ (Ka = 6.3 x 10¹5)
What is the pH of this buffer?
What is the pH of the buffer after 0.750 mol of H+ have been added?
What is the pH of the buffer after 0.250 mol of OH have been added?

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.

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