If I have {m} grams of CaCl2{“version”:”1.1″,”math”:”CaCl2″}…

If I have {m} grams of CaCl2{“version”:”1.1″,”math”:”CaCl2″} (molar mass=111 g/mol) in {v} liters of water (density = 1 kg/L) what is the freezing point of the solution, given kf=1.86 C kgmol{“version”:”1.1″,”math”:”kf=1.86 C kgmol”} assuming the van’t hoff factor i=3?