For a buffer initially containing .6 mol of NH3 and .3 mol of NH4CI in 1.0 L, what is the pH after .1 mol of H* is added to the buffer? .1 mol H+ .6 mol NH3 .3 mol NH* + O 9.55 0 9.15 O 9.35 O 9.43 O 9.79
For a buffer initially containing .6 mol of NH3 and .3 mol of NH4CI in 1.0 L, what is the pH after .1 mol of H* is added to the buffer? .1 mol H+ .6 mol NH3 .3 mol NH* + O 9.55 0 9.15 O 9.35 O 9.43 O 9.79
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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Transcribed Image Text:**Buffer pH Calculation Example**
**Problem:**
For a buffer initially containing 0.6 mol of NH₃ and 0.3 mol of NH₄Cl in 1.0 L, what is the pH after 0.1 mol of H⁺ is added to the buffer?
**Diagram Explanation:**
The diagram shows a container with two substances:
- 0.6 mol NH₃
- 0.3 mol NH₄⁺
An arrow indicates the addition of 0.1 mol H⁺ to this mixture.
**Answer Options:**
- ○ 9.55
- ○ 9.15
- ○ 9.35
- ○ 9.43
- ○ 9.79
This exercise involves using the Henderson-Hasselbalch equation to determine how the pH changes upon the addition of H⁺ ions to the buffer solution.
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