A 5.2 molal aqueous solution of methyl alcohol `(CH_(3)OH)` is supplied. What is the mole fraction of methyl alcohol in the solution ?
A 5.2 molal aqueous solution of methyl alcohol `(CH_(3)OH)` is supplied. What is the mole fraction of methyl alcohol in the solution ?
A. 0.1
B. 0.19
C. 0.086
D. 0.05
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Correct Answer - c
`"Mole fraction of" CH_(3)OH=(n_(B))/(n_(B)+n_(A))`
`=(5.2)/(5.2+1000/1B)=(5.2)/(5.2+55.5)=0.086`
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