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Byju's Answer
Standard X
Physics
Resistance
A 0.01M sol...
Question
A
0.01
M
solution of acetic acid is
5
% ionised at
25
o
C
. Calculate its dissociation constant.
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Solution
According to ostwald's dilution law
K
a
=
C
α
2
(
1
−
α
)
It is given that
α
=
0.05
,
C
=
0.01
Hence
K
a
=
2.63
×
10
−
5
.
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