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Mole fraction of the solute in a 1 molal aqueous solution is :

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Mole fraction of the solute in a 1 molal aqueous solution is :
A. 1.77
B. 0.177
C. 0.0177
D. 0.0344
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1 Answer

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Correct Answer - C
`m=(x_(B)xx1000)/((1-x_(B))xxm_(A))`
`1=(x_(B)xx1000)/((1-x_(B))xx18)`
`x_(B)=(0.018)/(1.018)=0.0177`]
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