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Byju's Answer
Standard IX
Chemistry
Molecular Mass
5% solution o...
Question
5
%
solution of sucrose is isotonic with
1
%
solution of a compound
A
then the molecular weight of compound
A
is :
A
32.4
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B
68.4
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C
121.6
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D
34.2
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Solution
The correct option is
B
68.4
Molar conc. of cane sugar solution:
=
5
342
×
1000
100
=
50
342
Molar conc. of solution
X
=
l
m
×
1000
100
=
10
m
10
m
=
50
342
or
m
=
68.4
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