Individually take a few minutes to write down your independent solution sketch for solving this problem. (What are the steps to solve this problem? What calculations will you need? unit conversions? Is any necessary information missing? Is any information provided that you do not need to answer the question?) You do not need to format your answers, i.e. DT is okay for T.

Part A: What is the molality of CaCl2 required to depress the freezing point of the snow/ice from 32oF to 21oF? Kf = 1.86 oC/m, T=i Kfm(watch units!!!)