JEE Main 2012Annual, Paper 1ChemistryEasySolutions71× since 2002
K_f for water is 1.86K kg mol^–1. If your automobile radiator holds 1.0 kg of water, how many grams of
ethylene glycol (C₂H₆O₂) must you add to get the freezing point of the solution lowered to –2.8^oC ?