A 8.5 x 10 -3 M solution of a weak acid is 4.6% dissociated at 25°C. In a 8.5 x 10 4 M solution, the percentage of dissociation would be O a. the same b. need to know the Ka of the acid to answer this O c. > 4.6% O d. zero O e. < 4.6%

A 8.5 x 10 -3 M solution of a weak acid is 4.6% dissociated at 25°C. In a 8.5 x 10 4 M solution, the percentage of dissociation would be O a. the same b. need to know the Ka of the acid to answer this O c. > 4.6% O d. zero O e. < 4.6%

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

-3
А 8.5 х 10
M solution of a weak acid is 4.6% dissociated at 25°C. In a 8.5 x 10 4 M solution, the percentage of dissociation would
be
a, the same
b. need to know the Ka of the acid to answer this
c. > 4.6%
d. zero
e. < 4.6%

If Ka for a hypothetical acid HA is 2.30 x 106, what is Kb for A-?
O a. 4.45 x 10 5
O b.6.17 x 10 -4
O c. 1.62 x 10 -5
d. 4.35 x 10 -9
e. none of these

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