60g of urea is dissolved in 1100g soluti...

60g of urea is dissolved in 1100g solution. To keep `DeltaT//K_(f)" as "1" mol"//kg`, water separated in the form of ice is

40 g

60 g

100 g

200 g

Text Solution

Verified by Experts

The correct Answer is:

1100 g solution has 60 g urea
Thus, water =1040 g
`DeltaT_(f)=(100k_(1)xxw_(1))/(m_(1)xxw_(2))`
`(DeltaT_(f))/(k_(f))=(1000xx60)/(60xxw_(2))=1`
`:.w_(2)=1000g`
Hence, (A) is the correct answer.

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