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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// mol `

B

`120.15 g // mol `

C

`430 // mol`

D

`60 g //mol`

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The correct Answer is:
B
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