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Ionic Equilibrium II
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Complex equilibria: simultaneous solubility and selective precipitation
JEE Main level
Single correct option
Difficulty 2 of 3
ia188
K
s
p
of
AgCl
is
1.6
×
1
0
−
10
. The ratio (solubility in pure water) / (solubility in
0.10
M
NaCl
) is closest to
A
3.95
×
1
0
3
B
7.91
×
1
0
3
C
1.58
×
1
0
4
D
6.25
×
1
0
8
Answer: B
In water
s
=
K
s
p
=
1.26
×
1
0
−
5
M
. In
0.10
M
NaCl
,
s
=
K
s
p
/0.10
=
1.60
×
1
0
−
9
M
. The ratio is
0.10/
K
s
p
=
7.91
×
1
0
3
.
Practice Ionic Equilibrium II
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