Question

26. How much ethyl alcohol must be added to 1 litre of water so that the solution will freeze at- 14°C ? (Kf for water = 1.86°C/mol). - ​

Answer 1

Answer:

Answer is (a) 7.5 mol ΔTf = Kf m ΔTf = Kf n 2 × 1000 W 1 n2×1000W1 14 = 1.86 x n 2 × 1000 1000 n2×10001000 n2 = 7.5

Explanation:

I am not sure but I hope this helps u