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The freezing point of 1 molal NaCl solut...

The freezing point of `1` molal `NaCl` solution assuming `NaCl` to be `100%` dissociated in water is:

A

`-1.86^(@)C`

B

`-3.72^(@)C`

C

`+1.86^(@)C`

D

`+3.72^(@)C`

Text Solution

Verified by Experts

The correct Answer is:
B
`DeltaT_(f) = 1 xx k_(f) xxm = 2 xx 1.86 xx 1 = 3.72`
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