Using the Henderson-Hasselbalch equation, calculate the volumes of the acids, bases, and water for dilution in the preparation of the following buffered solutions. Assume that 0.20 M stock solutions of HOAC, H3PO4, and citric acid and their conjugate bases are all available. Do not forget SigFig rules in your calculations Target Target pH Identit Volum Identity Volume Volum of base of base e of (ml) Target concentratio volume y of n of buffer (M) e of acid | (ml) acid water (ml) needed for dilutio in
Using the Henderson-Hasselbalch equation, calculate the volumes of the acids, bases, and water for dilution in the preparation of the following buffered solutions. Assume that 0.20 M stock solutions of HOAC, H3PO4, and citric acid and their conjugate bases are all available. Do not forget SigFig rules in your calculations Target Target pH Identit Volum Identity Volume Volum of base of base e of (ml) Target concentratio volume y of n of buffer (M) e of acid | (ml) acid water (ml) needed for dilutio in
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:Using the Henderson-Hasselbalch equation, calculate the volumes of the acids, bases,
and water for dilution in the preparation of the following buffered solutions. Assume
that 0.20 M stock solutions of HOAC, H3PO4, and citric acid and their conjugate bases are
all available. Do not forget SigFig rules in your calculations
Target Target
pH
Volum Identity Volume Volum
e of
Identit
Target
volume y of
(ml)
concentratio
of base of base e of
n of buffer
(M)
acid
acid
(ml)
water
(ml)
needed
for
dilutio
5.00
0.200
100.0
5.00
0.100
100.0
5.00
0.010
100.0
7.21
0.200
100.0
7.21
0.100
100.0
7.21
0.010
100.0
8.21
0.200
100.0
8.21
0.100
100.0
8.21
0.010
100.0
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