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JEE Main Chemistry question

ChemistrySolutionsJEE Main

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 will be ( for water K kg and molar mass of ethylene glycol ) [AIEEE 2011]

Answer: (A)

Solution

Required molality mol/kg. Moles needed for 4 kg of water

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Question ID VK-143068