Ethylene glycol is used as an antifreeze in a cold climate. Mass of ethlene glycol which should be added to 4 kg of water to prevent it form freezing at `-6^(@)C` will be : (`K_(f)` for water `=1.86K kg mol^(-1)`, and molar mass of ethylene glycol `= 62 g mol^(-1)`)A. 80.32 gB. 204.30 gC. 400.00 gD. 304.60 g

Ethylene glycol is used as an antifreeze in a cold climate. Mass of et

1.	Ethylene glycol is used as an antifreeze in a cold climate. Mass of ethlene glycol which should be added to 4 kg of water to prevent it form freezing at `-6^(@)C` will be : (`K_(f)` for water `=1.86K kg mol^(-1)`, and molar mass of ethylene glycol `= 62 g mol^(-1)`)A. 80.32 gB. 204.30 gC. 400.00 gD. 304.60 g
Answer» Correct Answer - A `Delta T_(f)=iK_(f)m, Delta T_(f)=6^(@)C, i=1` `6=1xx1.86xx(w)/(62xx4)rArr w=804.32 g`

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