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A 5% solution of cane sugar (molecu...

A `5% ` solution of cane sugar (molecular mass = 342 ) is isotonic with 1% solution of substance X . The molar mass of X is ____.

A

`171.2 g mol ^(-1)`

B

`68.4 g mol ^(-1)`

C

`136.2 gmol ^(-1)`

D

`342 g mol ^(-1)`

Text Solution

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The correct Answer is:
B
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