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Asked Dec 8, 2019
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The freezing point of ethanol (C2H5OH) is -114.6 °C. The molal freezing point depression constant for ethanol is 2.00 °C/m. What is the freezing point (°C) of a solution prepared by dissolving 50.0 g of glycerin (C3H8O3, a nonelectrolyte) in 200.0 g of ethanol?

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The freezing point depre...

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AT:=i×Kf×b AT; - the freezing-point depression, i- the van't Hoff factor, - the cryoscopic constant of the solvent, of b - the molality of the solution. mass of C;H,O3 molar mass ofC;H¿O; 50g Moles of glycerin=- =0.543mol 92.09 g/mol 0.543mol := 2.715mol/kg Molality of solution 0.200kg

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