Define the freezing point of pure benzene

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A solution of 2.5g of an unknown non-volatile, non-electrolyte dissolved in 25 g of benzene freezes at 4.3 Celsius. The freezing point of pure benzene is 5.5 Celsius and its freezing point constant is 5.12 C/m. Calculate the molecular weight of the unknown.

Reference no: EM13268173

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