-'s Knowledge Test-2017-PCM-(000000...
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-'s Knowledge Test-2017-PCM-(000000.4)-8 A mixture of CO and CO2 is found to have a density of 1.7 g/lit. at STP. The mole fraction of CO is

JEE/Engineering Exams
Chemistry
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The arerage molar mass i 8 [ begin{array}{r} M=frac{rho R T}{P}=frac{1.78 / .1 times 0.0821 times 273}{1} =38.18 / mathrm{mo} end{array} ] Let ( x ) be mole fraction of ( C D ). and mole fraction of ( cos ) be ( (1-x) ) molar ragss of 10 sind 60,2 are 28 and 44 respectively. Arg. molar oruss 7 . Prixture is [ begin{array}{l} 38 cdot 1=28 x+44(1-x) x=0 cdot 37 end{array} ]
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