Question
Physical Chemistry Question on Chemical equilibria
The volume of water (in mL) required to be added to a 100 mL solution (aq. 0.1 M) of a weak acid (HA) at 25 °C to double its degree of dissociation is
[Given: Ka of HA at 25 °C=1.8 x10−5 ]
A
100
B
200
C
300
D
400
Answer
300
Explanation
Solution
The correct option is (C): 300