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What should be the freezing point of aqu...

What should be the freezing point of aqueous solution containing `17g` of `C_(2)H(5)OH` is `1000g` of water (`K_(f)` for water =`1.86 deg kg mol^(-1)`)?

A

`-0.69^(@)C`

B

`-0.34^(@)C`

C

`0.0^(@)C`

D

`0.34^(@)C`

Text Solution

Verified by Experts

The correct Answer is:
A
`Delta T_(f)=(1000xx1.86xx17)/(46xx1000)=0.69^(@)C`
`T_(f)=0-0.69=-0.69^(@)C`
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