Question

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⏩A solution contains 72% water and 28% methyl alcohol. calculate the mole fraction of each component in the solution⏪

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Answer 1

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Answer...

Please refer to the attachment.

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Answer 2

Number of mole of water=mass of water/molar mass of water=72/18

Number of mole of ethanol=mass of ethanol/molar mass of ethanol=28/32

Total number of mole=7/8+4

Mole friction of water=mole of water/total mole=0.18

Mole friction of ethanol=mole of ethanol/total mole=0.82