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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

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 -6C will be (K for water = 1.86 K kg mol- 1, and molar mass of ethylene glycol = 62 g/mol-) ?

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