Calculate the molality and mole fraction of the solute in an aqueous solution containing 6 g of urea per 500 g of water (Mol. mass of urea = 60).

Molality = 0.1 m; Mole fraction = 0.0359

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Molality = 0.2 m; Mole fraction = 0.00359

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Molality = 0.5 m; Mole fraction = 0.359

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Molality = 0.3 m; Mole fraction = 0.0359

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Solution

The correct option is B Molality = 0.2 m; Mole fraction = 0.00359

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