1.

Themole fraction of water in a solution containing 50g of water and 50g of ethyl alcohol is :

Answer»

`(C_(6)H_(5)CH_(3))`
`18/(18+46)`
`1.09/(1.09+2.78)`
`2.78/(1.09+2.78)`

Solution :`"MOLE fraction of water"=("Mass of water"/"Molar Mass of water")/("Mass of water"/("Molar mass of water"))+("Mass of ETHYL ALCOHOL")/("Molar mass of ethyl alcohol")`
`(50/18)/(50/18+50/46)=2.78/(2.78+1.09)`


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