1.

2 mole of ethanol is dissolved in 8 mole of water. The mole fraction of water in the solution is

Answer»

0.2
0.8
0.4
0.1

SOLUTION :Total NUMBER of MOLES in the solution =10
`:. "MOLE fraction of water"=("Moles of water")/("Total moles")`
`=8/10=0.8`


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