Ethylene glycol is used as an antifreeze...

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 Kkg mol^(-1)`, and molar mass of ethylene glycol `=62 g mol^(-1))`

`204.30g`

`400.08g`

`304.60g`

`804.32g`

Text Solution

Verified by Experts

The correct Answer is:

Mass of glycol, `W_(2)=(M_(2)xxW_(1)xxDeltaT_(f))/(1000xxK_(f))`
`=(62xx4000xx6)/(1000xx1.86)=800` g
Mole of `CH_(3)OH = 5.2`.

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