If NH4OH at 30.0 °C is 1.20 % ionized is 0.250 M solution, what is its ionization constant and the % ionization in 0.500 M solution? NH4OH ↔ NH4+ + OH-
If NH4OH at 30.0 °C is 1.20 % ionized is 0.250 M solution, what is its ionization constant and the % ionization in 0.500 M solution? NH4OH ↔ NH4+ + OH-
Introductory Chemistry: A Foundation
9th Edition
ISBN:9781337399425
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Donald J. DeCoste
Chapter16: Acids And Bases
Section: Chapter Questions
Problem 19QAP: . How is the strength of an acid related to the fact that a competition for protons exists in...
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Question
If NH4OH at 30.0 °C is 1.20 % ionized is 0.250 M solution, what is its ionization constant and the % ionization in 0.500 M solution?
NH4OH ↔ NH4+ + OH-
I |
0.250 |
0 |
0 |
C |
0.012(0.250) |
0.012(0.250) |
0.012(0.250) |
E |
|
|
|
Kb =
I |
0.500 |
0 |
0 |
C |
-x |
+x |
+x |
E |
|
|
|
% I= x / 0.5 x 100
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