Exercise Consider the following data to determine the effect of concentration on the ionization of acetic acid (CH3COOH, k₁ = 1.8 × 10³). Calculate the [H*]eq. [CH3COOH] [H*]eq. 0.001 0.004 0.010 0.015 0.050
Exercise Consider the following data to determine the effect of concentration on the ionization of acetic acid (CH3COOH, k₁ = 1.8 × 10³). Calculate the [H*]eq. [CH3COOH] [H*]eq. 0.001 0.004 0.010 0.015 0.050
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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![Exercise Consider the following data to determine the effect of concentration on the
ionization of acetic acid (CH3COOH, ka = 1.8 × 105).
[CH3COOH]_[H*]eg.__
Calculate the [H*]eq.
Hints:
1) Build ICE table for the equilibrium
I
C
2) K-
E
CH3COOH(aq)
[CH3COOH];
-X
0.001
0.004
0.010
0.015
0.050
[CH3COOH]; -X
% ionization of CH,COOH
CH3COO
0
+X
+X
[CH₂COO"] [H]g.
[CH₂COOH)
3) X=[H]q[CH₂COO], then X²-k₁ x [CH₂COOH], this is true if
[H]q
[CH,COOH]
(aq)
-x100 ≤ 5%
+H* (aq)
0
+X
+X
4) If % ionization of CH3COOH > 5% then you have to solve for the quadratic
equations](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa78a0229-4b42-4ae7-95b8-ca59be1c3ef2%2Ff77dcb55-e40c-499a-bd62-5bbb0a83d412%2Fwgf3ws_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Exercise Consider the following data to determine the effect of concentration on the
ionization of acetic acid (CH3COOH, ka = 1.8 × 105).
[CH3COOH]_[H*]eg.__
Calculate the [H*]eq.
Hints:
1) Build ICE table for the equilibrium
I
C
2) K-
E
CH3COOH(aq)
[CH3COOH];
-X
0.001
0.004
0.010
0.015
0.050
[CH3COOH]; -X
% ionization of CH,COOH
CH3COO
0
+X
+X
[CH₂COO"] [H]g.
[CH₂COOH)
3) X=[H]q[CH₂COO], then X²-k₁ x [CH₂COOH], this is true if
[H]q
[CH,COOH]
(aq)
-x100 ≤ 5%
+H* (aq)
0
+X
+X
4) If % ionization of CH3COOH > 5% then you have to solve for the quadratic
equations
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