1. The pH of a buffer solution containing 0.5 mole/litre of CH:COOH and 0.5 mole/litre CH:COONA has been found to be 4.76. What will be the pH of this solution after 0.1 mole/litre HCI has been added to the buffer? Assume that the volume is unchanged. Ka = 1.75 x 10 5

1. The pH of a buffer solution containing 0.5 mole/litre of CH:COOH and 0.5 mole/litre CH:COONA has been found to be 4.76. What will be the pH of this solution after 0.1 mole/litre HCI has been added to the buffer? Assume that the volume is unchanged. Ka = 1.75 x 10 5

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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Concept explainers

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.

Question

1. The pH of a buffer solution containing 0.5 mole/litre of CH:COOH and 0.5 mole/litre
CH:COON has been found to be 4.76. What will be the pH of this solution after 0.1
mole/litre HCI has been added to the buffer? Assume that the volume is unchanged. Ka =
1.75 x 105
2. A litre of solution containing 0.1 mole of CH;COOH and 0.1 mole of CH;COON provides a
buffer of pH 4.74. Calculate the pH of solution after the addition of 0.02 mole NaOH. Ka = 1.8
x 105.

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