1.
What should be the freezing point of aqueous solution containing 17gm17\,\text{gm} of C2H5OH\text{C}_2\text{H}_5\text{OH} in 1000gm1000\,\text{gm} of water (Kf=1.86C⋅kg⋅mol1K_f = 1.86^\circ\text{C·kg·mol}^{-1})?