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A 10.5 g sample of FeCl3 is dissolved in 1.50 x 10^2 g of water, with...

A 10.5 g sample of FeCl3 is dissolved in 1.50 x 10^2 g of water, with complete dissociation of the iron (III) chloride. Calculate the freezing point of the solution. Remember the Kf = 1.86 °C/m for water.
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