Mixture contains equal volumes of ethylene glycol and water 1 mL water = 1 water (w2,, solvent) 1 mL ehtylene glycol = 1.13g ehtylene glycol (w1, solute) Depressing in freezing point ΔTf =
1000Kf×w1
m1w2
=
1000×1.86×1.113
62×1
×1 = 33.39°C ∴ Freezing point of mixture = 0 - 33.39°C