# 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

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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=62g"//"mol"^(-1))?

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DeltaT_(f)=6
6=1086xx(x)/(4)
x=12.90"mole"
Molar mass of ethylene glycol=62
Mass of ethylene glycol=800