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Byju's Answer
Standard X
Chemistry
Solubility
The solubilit...
Question
The solubility of
P
b
I
2
at
25
o
C is
0.7
g
L
−
1
. The solubility product of
P
b
I
2
at this temperature is:
(Molar mass of
P
b
I
2
=
461.2
g
m
o
l
−
1
)
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Solution
P
b
I
2
⇌
P
b
2
+
+
2
I
−
x
2
x
given solubility of
P
b
I
2
is
0.7
g
L
also, molar mass of
P
b
I
2
=
461.2
g
/
m
o
l
⇒
[
P
b
I
2
]
=
0.7
461.2
m
o
l
/
L
i
t
r
e
=
1.5
×
10
−
3
solubility product,
K
s
p
=
x
(
2
x
)
2
K
s
p
=
4
x
3
K
s
p
=
4
(
1.5
×
10
−
3
)
3
∴
Solubility product of
P
b
I
2
=
135
×
10
−
9
m
o
l
2
/
l
i
t
2
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0
Similar questions
Q.
The solubility product of
P
b
I
2
is
7.47
×
10
−
9
at
15
o
C
and
1.39
×
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−
8
at
25
o
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. Calculate the molar heat of solution of
P
b
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.
Q.
If the solubility product of
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. Given:
√
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. The value of
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Q.
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in water is
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×
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−
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g
L
−
1
at
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. The value of its solubility product
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s
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a
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I
2
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s
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