The mole fraction of isopropanol is 0.30.
The ratio of the number of moles of one component of a solution or other mixture to the total number of moles representing all of the components.
It is unit less quantity.
Xa= na / na+nb
Xb = 1-Xa
No of moles of isopropanol is 0.35 and number of moles of water is 0.85.
So we have to find the mole fraction of isopropanol ,
X(isopropanol) =mole of A / Moles
Of A + B
Sum of moles of A+B is 1.20
X →0.35/1.20
X →0.30
Here X represents the mole fraction .
Mole fraction of isopropanol is 0.30.
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