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A solution containing 8.6 g urea in one ...

A solution containing 8.6 g urea in one litre was found to be isotonic with a `5%` (wt./vol.) solution of an organic non-volatile solute. The molecular weight of latter is:

A

3.48.9

B

34.89

C

3489

D

861.2

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The correct Answer is:
A
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