What is the percent ionization of nitrous acid in a solution that is 0.222 M in nitrous acid (HNO2) and 0.278 M in potassium nitrite (KNO2) ? The acid dissociation constant of nitrous acid is
A) 55.6
B) 15.5
C) 2.78 ×
D) 3.448
E) 0.162
Correct Answer:
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