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A. 0.2436 sample of an unknown substance was dissolved in 20.0mL of cyclohexane. The density of cyclohexane is 0.779 g/mL. The freezing point depression was 2.50 oC and the Kf value for cyclohecane is 20.5oC/m. Calculate the molality of the above solution and the molar mass of unknown.

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A. 0.2436 sample of an unknown substance was dissolved in 20.0mL of cyclohexane. The density of cycl...

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