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
![Verizon
9:42 PM
O 23% 04
Question 10 of 11
Submit
Determine the pH of a buffer that is 0.95 M HBRO
and 0.68 M KBRO. The value of pKa for HBRO is
8.68.
1
2
3
Based on the given values, set up ICE table in
order to determine the unknown.
HBRO(aq) +
H20(1)
= H3O*(aq) + BrO"(aq)
Initial (M)
Change (M)
Equilibrium
(M)
5 RESET
0.95
0.68
8.68
+x
+2x
-X
-2x
0.95 + x
0.95 - x
0.95 + 2x
0.95 - 2x
0.68 + x
0.68 - x
0.68 + 2x
0.68 - 2x](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9a142794-9feb-4385-8491-bf57e9e96f44%2Faf6b0080-bfc2-4b60-b735-f595fbba2512%2Fcp7hlow_processed.png&w=3840&q=75)
Transcribed Image Text:Verizon
9:42 PM
O 23% 04
Question 10 of 11
Submit
Determine the pH of a buffer that is 0.95 M HBRO
and 0.68 M KBRO. The value of pKa for HBRO is
8.68.
1
2
3
Based on the given values, set up ICE table in
order to determine the unknown.
HBRO(aq) +
H20(1)
= H3O*(aq) + BrO"(aq)
Initial (M)
Change (M)
Equilibrium
(M)
5 RESET
0.95
0.68
8.68
+x
+2x
-X
-2x
0.95 + x
0.95 - x
0.95 + 2x
0.95 - 2x
0.68 + x
0.68 - x
0.68 + 2x
0.68 - 2x
![Verizon
9:42 PM
O 23% 04
Question 10 of 11
Submit
Determine the pH of a buffer that is 0.95 M HBRO
and 0.68 M KBRO. The value of pka for HBrO is
8.68.
1
3
Based on your ICE table and definition of Ka, set
up the expression for Ka in order to determine the
unknown. Do not combine or simplify terms.
Ka =
5 RESET
[0]
[0.95]
[0.68]
[8.68]
[x]
[2x]
[2x]?
[0.95 + x]
[0.95 - x]
[0.95 + 2x]
[0.95 - 2x]
[0.68 + x]
[0.68 - x]
[0.68 + 2x]
[0.68 - 2x]
8.68
0.939
4.79 x 10-6
2.09 x 10-9](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9a142794-9feb-4385-8491-bf57e9e96f44%2Faf6b0080-bfc2-4b60-b735-f595fbba2512%2Fnobkr7m_processed.png&w=3840&q=75)
Transcribed Image Text:Verizon
9:42 PM
O 23% 04
Question 10 of 11
Submit
Determine the pH of a buffer that is 0.95 M HBRO
and 0.68 M KBRO. The value of pka for HBrO is
8.68.
1
3
Based on your ICE table and definition of Ka, set
up the expression for Ka in order to determine the
unknown. Do not combine or simplify terms.
Ka =
5 RESET
[0]
[0.95]
[0.68]
[8.68]
[x]
[2x]
[2x]?
[0.95 + x]
[0.95 - x]
[0.95 + 2x]
[0.95 - 2x]
[0.68 + x]
[0.68 - x]
[0.68 + 2x]
[0.68 - 2x]
8.68
0.939
4.79 x 10-6
2.09 x 10-9
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