Use the References to access important values if needed for this question. How many grams of solid ammonium bromide should be added to 1.00 L of a 9.34×10- M ammonia solution to prepare a buffer with a pH of 8.730 ? grams ammonium bromide: g.
Use the References to access important values if needed for this question. How many grams of solid ammonium bromide should be added to 1.00 L of a 9.34×10- M ammonia solution to prepare a buffer with a pH of 8.730 ? grams ammonium bromide: g.
Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter15: Acid–base Equilibria
Section: Chapter Questions
Problem 61P
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How many grams of solid ammonium bromide should be added to 1.00 L of a 9.34×10- M ammonia solution to prepare a buffer with a pH of 8.730 ?
grams ammonium bromide =
g.
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Use the References to access important values if needed for this question.
How many grams of solid ammonium bromide should be added to 1.00 L of a 9.34×10- M ammonia solution to prepare a buffer with a pH of 8.730 ?
grams ammonium bromide =
g.
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Expert Solution
Step 1
First of all,we have to calculate the concentration of Ammonium Bromide using Henderson Hesselbach equation , and then using Molarity formula and mole formula, we can calculate the amount of Ammonium Bromide.
Mixture of Ammonium Bromide and Ammonia is a basic buffer.
The Henderson Hesselbach equation for basic buffer solution is -
pH = pKa + log [Base]/[Salt]
Here,
pH = pH of buffer solution = 8.730
pKa = potential of Ammonium ion = 9.25
[Base] = concentration of ammonia = 9.34×10-2M
[Salt] = concentration of salt, Ammonium Bromide = ?
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