Question

Solutions are made that contain 0.1 moles of each of the following compounds below in 100g of H20. Choose the compound whose solution will have the lowest freezing point?

NaBr
CO2
KClO3
MgCl2
MgSO4
delta T = i*Kf*m
i = 2 for NaBr
i = 1 for CO2
i = 2 for KClO3
i = 3 for MgCl2
i = 2 for MgSO4
i*m is the determining factor; you don't need to calculate the actual freezing point.

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