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

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

A

`"105.0 g mol"^(-1)`

B

`"210,0 g mol"^(-1)`

C

`"90.0 g mol"^(-1)`

D

`"15.0 g mol"^(-1)`

Text Solution

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The correct Answer is:
B
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