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The vapour pressure of ethanol and …

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The vapour pressure of ethanol and methanol are 44.5 % mm of Hg and 88.7 % mm of Hg respectively. A solution is prepared by mixing 60 g of ethanol and 40 g of methanol. Calculate the vapour pressure of resulting solution.

    • Posted by Rajveer Kaur 6 years, 9 months ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Sanskriti S 6 years, 9 months ago

    calculate mole fraction of ethanol & methanol(say, n1 & n2 resp.) Then, v. p. of solution is 44.5*n1 + 88.7*n2 (using Raoult's law)

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