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...
Related questions
Question
Find Ka value using ice tables for equilibrium help on question 2
![6:00 PM Wed Mar 16
* 27% 4
Question 3 of 4
Retry
The pH for O.0850 M solution of
CeH,CH,COOH is 2.68. Determine
the value of Ka for CH,CH,COOH.
< PREV
1
2
Based on your ICE table and definition of
Ka, set up the expression for Ka and then
evaluate it. Do not combine or simplify
terms.
[0.0850] [0.0850]
Ka =
5.3 x 10-5
[0.0829]
Incorrect, 3 attempts remaining
Your expression for Ka is incorrect. Recall the general definition of
Ka for the generic acid, HA:
HA(aq) + H,O(1) =H;0*(aq) + A (aq)
Ka =
[H;Oʻ][A]/[HA]
Tap here or pull up for additional resources](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F131436f3-a8fd-4c87-a7e6-1e955b5c50fa%2F8f6d1b0e-da2d-4ad2-bb22-9b925a4914f9%2Fx3sjqqt_processed.jpeg&w=3840&q=75)
Transcribed Image Text:6:00 PM Wed Mar 16
* 27% 4
Question 3 of 4
Retry
The pH for O.0850 M solution of
CeH,CH,COOH is 2.68. Determine
the value of Ka for CH,CH,COOH.
< PREV
1
2
Based on your ICE table and definition of
Ka, set up the expression for Ka and then
evaluate it. Do not combine or simplify
terms.
[0.0850] [0.0850]
Ka =
5.3 x 10-5
[0.0829]
Incorrect, 3 attempts remaining
Your expression for Ka is incorrect. Recall the general definition of
Ka for the generic acid, HA:
HA(aq) + H,O(1) =H;0*(aq) + A (aq)
Ka =
[H;Oʻ][A]/[HA]
Tap here or pull up for additional resources
![6:00 PM Wed Mar 16
* 27% 4
Question 3 of 4
Retry
The pH for O.0850 M solution of
CeH,CH,COOH is 2.68. Determine
the value of Ka for CH;CH,COOH.
1
2
NEXT>
Based on the given values, fill in the ICE
table to determine concentrations of all
reactants and products.
CeH,CH,COOH
H2O(1)
H3O*(aq) C6H,CH¿COO-
Initial (M)
0.0850
Change (M -2.1 x 10
2.1 x 10-3
2.1 x 10-3
Equilibrium
0.0829
2.1 x 10-3
2.1 x 10-3
Incorrect, 3 attempts remaining
Your expression for Ka is incorrect. Recall the general definition of
Ka for the generic acid, HA:
HA(aq) + H2O(1) =H;0*(aq) + A (aq)
Ka = [H;O*][A]/[HA]
Tap here or pull up for additional resources](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F131436f3-a8fd-4c87-a7e6-1e955b5c50fa%2F8f6d1b0e-da2d-4ad2-bb22-9b925a4914f9%2Fdi7knsb_processed.jpeg&w=3840&q=75)
Transcribed Image Text:6:00 PM Wed Mar 16
* 27% 4
Question 3 of 4
Retry
The pH for O.0850 M solution of
CeH,CH,COOH is 2.68. Determine
the value of Ka for CH;CH,COOH.
1
2
NEXT>
Based on the given values, fill in the ICE
table to determine concentrations of all
reactants and products.
CeH,CH,COOH
H2O(1)
H3O*(aq) C6H,CH¿COO-
Initial (M)
0.0850
Change (M -2.1 x 10
2.1 x 10-3
2.1 x 10-3
Equilibrium
0.0829
2.1 x 10-3
2.1 x 10-3
Incorrect, 3 attempts remaining
Your expression for Ka is incorrect. Recall the general definition of
Ka for the generic acid, HA:
HA(aq) + H2O(1) =H;0*(aq) + A (aq)
Ka = [H;O*][A]/[HA]
Tap here or pull up for additional resources
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