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Solutions and Colligative Properties
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Concentration units and Henry's law
NEET level
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Difficulty 1 of 3
so002
A solution is made by dissolving
1
mol
of glucose in
9
mol
of water. The mole fraction of glucose is
A
0.1
B
0.111
C
0.9
D
0.01
Answer: A
x
glucose
=
n
2
/
(
n
1
+
n
2
)
=
1/
(
1
+
9
)
=
0.1
. The value
0.111
comes from dividing by
n
1
only.
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