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Byju's Answer
Standard XII
Chemistry
Molarity
What is the m...
Question
What is the molarity of
F
−
in a saturated solution of
I
n
F
3
?
(
K
s
p
=
7.9
×
10
−
10
)
A
2.3
×
10
−
3
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B
8.3
×
10
−
3
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C
1.0
×
10
−
3
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D
7.0
×
10
−
3
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Solution
The correct option is
B
2.3
×
10
−
3
I
n
F
3
⇌
I
n
3
+
+
3
F
−
t
=
0
C
0
0
t
=
t
C
−
S
S
3
S
∴
K
s
p
=
S
×
(
3
S
)
3
∴
7.9
×
10
−
10
=
27
S
4
∴
S
4
=
2.92
×
10
−
11
∴
S
=
2.32
×
10
−
3
M
where
S
is the concentration of
F
−
ion in terms of molarity.
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Similar questions
Q.
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a
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resectively.The concentration of
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Q.
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