1.

Molal depression of freezing point of water is 1.86^(@) per 100 g of water. 0.02 mole of urea dissolved in 100 g of water will produce a lowering of temperature of :

Answer»

`0.186^(@)`
`0.372^(@)`
`1.86^(@)`
`3.72^(@)`

SOLUTION :`DELTA T_(F) = (1000 xx K_(f) xx n)/W_("solvent)=(1000 xx 1.86 xx 0.02)/100=0.372^(@)`


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