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`        23g ethanol is dissolved in 36g water . Find mole fraction of ethanol ?`
one year ago

Arun
22956 Points
```							Dear Deepika Ethanol = C2H5OHmolecular mass = 24 + 5 + 16 +5 = 50 moles of Ethanol = 23/50 moles of water = 36/18 = 2 moles now mole fraction of ethanol = (23/50) / (23/50 + 2) = 23/123  RegardsArun (askIITians forum expert)
```
one year ago
Vibhuti
13 Points
```							Molar mass of ethanol= 50Moles of ethanol=23/50Moles of water= 36/18 =2 Now mole fraction of ethanol= (23/50)/(23/50+2)                                                     =23/123
```
one year ago
Anjali kumari
104 Points
```							As mile=given mass/ molecular mass.Therefore the mile of ethanol is 23/50 moles. And the mole of water =2 moles. So mole fraction of ethanol=(23/50)/(23/50+2).
```
one year ago
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