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The molal freezing point constant for wa...

The molal freezing point constant for water is `1.86 K . Kg "mole"^(-1)`. The freezing point of 0.1 m NaCl solution is

A

`-1.86^(@)C`

B

`-0.372^(@)C`

C

`-0.186^(@)C`

D

`0.372^(@)C`

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The correct Answer is:
B
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