Explain the freezing point of pure benzene

Reference no: EM13488301

The freezing point of pure benzene was measured as 5.49 °C. With the same benzene and the same equipment, the freezing point of a solution containing 6.60 g of an unknown compound in 140 g of benzene was found to be 2.35 °C. The cryoscopic constant, Kf, for benzene is 5.12 deg- kg/mol. Calculate the mole weight of the unknown. A) 103 g/mol B) 76.9 g/mol C) 44.0 g/mol D) 28.9 g/mol E) 17.4 g/mol

Reference no: EM13488301

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