HA(aq) + OH(aq) - H,O(l) + A(aq) late the pKa value of the acid, and determine the number of moles of acid initially = initial amount: n the reaction is complete, what is the concentration ratio njugate base to acid? [A-] [HA] =
HA(aq) + OH(aq) - H,O(l) + A(aq) late the pKa value of the acid, and determine the number of moles of acid initially = initial amount: n the reaction is complete, what is the concentration ratio njugate base to acid? [A-] [HA] =
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 16 of 19 >
Strong base is dissolved in 615 mL of 0.200 M weak acid (Ka = 3.46 x 10-5) to make a buffer with a pH of 3.97. Assume that
the volume remains constant when the base is added.
HA(aq) + OH(aq) → H₂O(l) + A¯(aq)
Calculate the pKa value of the acid, and determine the number of moles of acid initially present.
pK₁ =
initial amount:
mol HA
When the reaction is complete, what is the concentration ratio
of conjugate base to acid?
[A-]
[HA]
How many moles of strong base were initially added?
amount added:
O
III
66°F
O
1)
mol OH
J
5:55 PM
6/2/2022](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe32cdaa3-49b3-4b1d-929d-b728cde894e8%2F43140d0d-e109-4ba1-96f1-68811801671f%2F1rahkn_processed.jpeg&w=3840&q=75)
Transcribed Image Text:< Question 16 of 19 >
Strong base is dissolved in 615 mL of 0.200 M weak acid (Ka = 3.46 x 10-5) to make a buffer with a pH of 3.97. Assume that
the volume remains constant when the base is added.
HA(aq) + OH(aq) → H₂O(l) + A¯(aq)
Calculate the pKa value of the acid, and determine the number of moles of acid initially present.
pK₁ =
initial amount:
mol HA
When the reaction is complete, what is the concentration ratio
of conjugate base to acid?
[A-]
[HA]
How many moles of strong base were initially added?
amount added:
O
III
66°F
O
1)
mol OH
J
5:55 PM
6/2/2022
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