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2 mole of ethanol is dissolved in 8 mole...

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

A

0.2

B

0.8

C

0.4

D

0.1

Text Solution

Verified by Experts

The correct Answer is:
B
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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