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0.6gof a solute is dissolved in 0.1litre...

`0.6g`of a solute is dissolved in `0.1`litre of a solvent which develops an osmotic pressure of 1.23 at m at `27^(@)C`.The molecular mass of the substance is

A

`149.5 "g mole"^(-1)`

B

`120 "g mole"^(-1)`

C

`430 "g mole"^(-1)`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
`m=(wRT)/(PV)=(0.6xx0.082xx300)/(1.23xx0.1)=120`
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