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Mole fraction of a solute in an aqueous ...

Mole fraction of a solute in an aqueous solution is 0.2. The molality of the solution will be

A

13.88

B

1.388

C

0.138

D

0.0138

Text Solution

Verified by Experts

The correct Answer is:
A
`m = (chi_(B))/(1-chi_(B)) xx (1000)/(M_(A)) = (0.2)/(1-0.2) xx (1000)/(18) = 13.88 m`
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