An antifreeze solution is prepared by dissolving 31 g of ethylene glycol (Molar mass ) in
of water. Calculate the freezing point of the solution. (
for water
)
ΔTf = Kf m =1.86 x 31x 1000/ 62 x 600 = 1.55 oC
ΔTf = Tfo -Tf
Tf = -1.55 oC
Tf = 271.45K