What will be the total buffer concentration? What is the pH of a solution contains acetic acid d formic acid both of 0.05M.... If you know that e pK, of acetic acid 1.75*10-5 and for formic acid is 77*104?

Chemistry
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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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1. Your product research director asks you to prepare
a buffer solution of pH 4 having a buffer capacity of
0.10. Choose a suitable combination of buffer species
and compute the concentrations needed. If you have
the following material in your lab (acetic acid Ka
=1.75*10-$, pK,= 4.76/ Na acetate), (lactic acid K=
1.39*104, pK,=3.86/ Na lactate), (tartaric acid (pK,
3.02, K,=9.6*104 / Na tartarate) .Which combination
do you prefer and why?
%3D
2. What will be the total buffer concentration?
3. What is the pH of a solution contains acetic acid
and formic acid both of 0.05M ..... If you know that
the pK, of acetic acid 1.75*10-$ and for formic acid is
1.77*104 ?
Transcribed Image Text:В) 1. Your product research director asks you to prepare a buffer solution of pH 4 having a buffer capacity of 0.10. Choose a suitable combination of buffer species and compute the concentrations needed. If you have the following material in your lab (acetic acid Ka =1.75*10-$, pK,= 4.76/ Na acetate), (lactic acid K= 1.39*104, pK,=3.86/ Na lactate), (tartaric acid (pK, 3.02, K,=9.6*104 / Na tartarate) .Which combination do you prefer and why? %3D 2. What will be the total buffer concentration? 3. What is the pH of a solution contains acetic acid and formic acid both of 0.05M ..... If you know that the pK, of acetic acid 1.75*10-$ and for formic acid is 1.77*104 ?
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