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At 27^(@)C,a solution containing 2.5g of...

At `27^(@)C`,a solution containing `2.5g` of solute in `250.0mL` of solution exerts and osmotic pressure of `400Pa`.The molar mass of the solute is ______ `gmol^(-1)`
(Nearest Integer)
(Given : `R=0.083L` bar `K^(-1)mol^(-1)` )

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