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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
`chi_(B)=0.2,chi_(A)=0.1`
`m=(chi_(B)xx1000)/(chi_(A)xxMw_(A))=(0.2xx1000)/(0.8xx18)=13.88`
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