A diprotic acid, H2A, has values of Kai = 1.0 x 10° and K2 = 1.0 x 101º. In a 0.10 M solution of H2A, what is [A²]? 18. а. 0.10 M 0.20 M 3.2 x 104 3.2 x 106 M 1.0 x 10-10 M b. с. d. е.
A diprotic acid, H2A, has values of Kai = 1.0 x 10° and K2 = 1.0 x 101º. In a 0.10 M solution of H2A, what is [A²]? 18. а. 0.10 M 0.20 M 3.2 x 104 3.2 x 106 M 1.0 x 10-10 M b. с. d. е.
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
Chapter15: Acid-base Equilibria
Section: Chapter Questions
Problem 81E: Which of the indicators in Fig. 14-8 could be used for the titrations in Exercises 61 and 63?
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A diprotic acid, H2A, has values of Ka1 = 1.0 x 10-6
and Ka2 = 1.0 x 10-10. In a 0.10 M solution of H2A, what is [A2-]?
a. 0.10 M
b. 0.20 M
c. 3.2 x 10-4
d. 3.2 x 10-6 M
e. 1.0 x 10-10 M
![A diprotic acid, H;A, has values of Kal = 1.0 x 10° and K2 = 1.0 x 10-1º.
In a 0.10 M solution of H2A, what is [A²]?
18.
а.
0.10 M
b.
0.20 M
3.2 x 104
3.2 x 106 M
1.0 x 10-10 M
с.
d.
е.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa9f2f8c4-d9e0-40a6-8aae-8b713bcfcf25%2F3f449602-9a24-490a-b89d-3ab2530223ce%2Frdfdwdc_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A diprotic acid, H;A, has values of Kal = 1.0 x 10° and K2 = 1.0 x 10-1º.
In a 0.10 M solution of H2A, what is [A²]?
18.
а.
0.10 M
b.
0.20 M
3.2 x 104
3.2 x 106 M
1.0 x 10-10 M
с.
d.
е.
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