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
13
![Assuming equal concentrations of conjugate base and acid, which one of the following mixtures is suitable for making a buffer solution with an optimum pH of 7.4-7.62
NaOCI / HOCI (K a = 3.2 × 10 -8)
NH 3/ NH 4CI (K a =5.6 x 10-10)
NaNO 2/ HNO 2 (Ka = 4.5 x 10 -4)
NaCI / HCI
CH 3COONA / CH 3COOH (Ka-1.8 x 10-5)
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F8
F5
F2
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2$
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4.
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Transcribed Image Text:Assuming equal concentrations of conjugate base and acid, which one of the following mixtures is suitable for making a buffer solution with an optimum pH of 7.4-7.62
NaOCI / HOCI (K a = 3.2 × 10 -8)
NH 3/ NH 4CI (K a =5.6 x 10-10)
NaNO 2/ HNO 2 (Ka = 4.5 x 10 -4)
NaCI / HCI
CH 3COONA / CH 3COOH (Ka-1.8 x 10-5)
MacBook Air
FII
DOO
000 F4
F9
F10
吕口
F6
F7
F8
F5
F2
23
2$
&
4.
7
T
Y
K
D
F
G
....
* CO
%#3
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