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A 5% solution of cane sugar (M.W.=342) i...

A 5% solution of cane sugar (M.W.=342) is isotonic with 1 % solution of substance X. The molecular weight of X is

A

`34.2`

B

`171.2`

C

`68.4`

D

`136.8`

Text Solution

Verified by Experts

The correct Answer is:
C
`pi_(1)=pi_(2),(5)/(342)xx(1000)/(100)=(1)/(X)xx(1000)/(100)" "rArr" "X=68.4`
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