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A Pure Solvent Freezes at 43

Question 37

Multiple Choice

A pure solvent freezes at 43.4°C.The freezing temperature is 40.7°C when 17.5 g of CO(NH2) 2 is dissolved in 1.00 × 102 g of the solvent.Calculate the molal freezing point constant of the solvent.


A) 0.027 °C/m
B) 0.343 °C/m
C) 0.93 °C/m
D) 13.9 °C/m
E) 14.9 °C/m

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