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Calculate the mole fraction of H2O …

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Calculate the mole fraction of H2O in a mixture of 12g H2O ,108g of acetic Acid and 92g of ethyl alcohol.

Posted by Teja Shree 4 years, 11 months ago

CBSE > Class 11 > Chemistry

1 answers

Bhanu Bhaskar 4 years, 11 months ago

moles of water in mixture=12/18=2/3 moles of acetic acid in mixture = 108/60 = 18/10 moles of ethanol in mixture= 92/46 = 2 mole fraction of water = (2/3)/(2/3+1.8+2) = (2/3)/[(2+5.4+6)/3] =2/13.4=20/134 = 10/67 therefore 10/67 is the mole fraction of water in mixture.

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