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A 5% solution of sugarcane ( mol. wt. 34...

A 5% solution of sugarcane ( mol. wt. 342 ) is isotonic with 1% solution of X under similar conditions. The molecular mass of X is :

A

171.2

B

68.4

C

34.2

D

136.2

Text Solution

Verified by Experts

The correct Answer is:
B
`pi_(1)=pi_(2)`
or `C_(1)=C_(2)`
`(5)/(342)=1/M`
`:.M=(342)/(5)=68.4`
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