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A `5.2` molal aqueous of methyl alcohol, `CH_(3)OH`, is supplied. What is the molefraction of methyl alcohol in the solution ?
A. `0.190`
B. `0.086`
C. `0.050`
D. `0.100`

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Best answer
Correct Answer - B
5.2 mole in 1000 g `H_(2)O`
mole fraction X`= (5.2)/(5.2+(1000)/(18))=0.086`

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