Question

Compute the freezing point of this solution:

25.5 g CH.NO:S
(4-nitro-2-toluenesulfonoic acid dihydrate) in 1.00 X 10
g H:0 (nonionizing solute)

Answer 1

moles solute = 25.5 / molar mass

moles solute /0.1 Kg = molality

delta T = molality x 1.86

freezing point = 0°C - delta T