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1 m aq. Solution of a salt shows elevati...

1 m aq. Solution of a salt shows elevation in boiling point equal to 3 times of its `K_(b)`. Determine
(i) Freezing point of solution
(ii) Osmotic pressure at `27^(@)C`
`K_(f)`(water)=1.86 K kg "mole"^(-1)`
(i) `0-T'_(f)=3xx1.86xx1`
(ii)`pi=3xx1xx0.0821xx300" atm"`

Text Solution

Verified by Experts

`Delta_(b)=ixxK_(b)xxm`
`rArr3K_(b)=ixxK_(b)xx1`
`rArr i=3`
(i)Delta_(f)=ixxK_(f)xxm=3xx1.86xx1=5.58^(@)C`
Or `" "T_(f)=-5.58^(@)C`
(ii) `pi=iCRT=3xx1xx0.0821xx300`
=73.89 atm
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