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Ethylene glycol is used as antifreeze in...

Ethylene glycol is used as antifreeze in a cold climete. Mass of ethylene glycol which should be added to 4 kg of water = 1.86 K kg `mol^(-1)`, molar mass of ethylene glycol = 62 g `mol,^(-1)` )

A

804.32 g

B

204.30 g

C

400.-- g

D

304.60 g

Text Solution

Verified by Experts

The correct Answer is:
a
`W_(B)=(M_(B)xxDeltaT_(f)xxW_(A))/K_(f)`
`=((62h mol^(-1))xx(6K)xx(4kg))/((1.86"K kg" mol^(-1)))=800 g`
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