Question

Ethylene glycol is used as an antifreeze in a cold climate. Mass of ethylene glycol which should be added to 4 kg of water to prevent it from freezing at –6°C will be : ($K_f$ for water = 1.86 K kg mol⁻¹, and molar mass of ethylene glycol = 62 g mol⁻¹) (a) 804.32 g (b) 204.30 g(c) 400.00 g (d) 304.60 g

Answer 1

Ethylene glycol is used as an antifreeze in a cold climate. Mass of ethylene glycol whichshould be added to 4 kg of water to prevent it from freezing at –6°C will be: (Kf forwater = 1.86 K kg mol–1, and molar mass of ethylene glycol=