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A non-polar molecule of an unknown molecular mass is dissolved in benzene. When 12.5 g of this substance is used to make a 150.0 g solution, the...

A non-polar molecule of an unknown molecular mass is dissolved in benzene. When 12.5 g of this substance is used to make a 150.0 g solution, the solution's boiling point is found to be 141°C. What is the molar mass of the solute (Benzene's normal boiling point is 136°C, Kb = 2.53°C /m)?

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