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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Question
Can you please answer sub question A and B and show all of the steps to the solution please and thank you
Transcribed Image Text:The transcription for the educational website is as follows:
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**Problem A:**
The pH of a solution of HN₃ (Kₐ = 1.9 × 10⁻⁵) and NaN₃ is 4.86. What is the molarity of NaN₃ if the molarity of HN₃ is 0.016 M?
**Problem B:**
The pH of a solution of NH₃ and NH₄Br is 8.90. What is the molarity of NH₄Br if the molarity of NH₃ is 0.016 M?
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Expert Solution
Step 1
In the above problem the solutions are buffer solutions
So we will use Henderson Hasselbalch equation to obtain concentration of. Salt.
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