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Freezing point of a solution

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a) Cyclohexane has a freezing point of 6.50 celcius and a Kf of 20.0 C/m. What is the freezing point of a solution made by dissolving 0.848 g of biphenyl (C12H10) in 25.0 g of cyclohexane? Express in degrees celsius.

b) Paradichlorobenzene, C6H4Cl2, is a component of mothballs. A solution of 2.00 g in 22.5 g of cyclohexane boils at 82.39 °C. The boiling point of pure cyclohexane is 80.70 °C. Calculate Kb for cyclohexane. Express in degrees celcius per molal.

Reference no: EM131703620

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