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A 5.25 % solution of a substance is isot...

A 5.25 % solution of a substance is isotonic with a 1.5% solution of urea (molar mass = 60 g.`mol^(1)`) in the same solvent. If the densities of both the solutions are assumed to be equal to `1.0 g cm^(-3)`, then molar mass of the substance will be

A

`90 g mol^(-1)`

B

`115 g mol^(-1)`

C

`105 g mol^(-1)`

D

`210 g mol^(-1)`

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The correct Answer is:
D
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