A mixture of N2 and H2, in the ratio of one mole of N2 to 3 mole of H2, was partially converted into NH3 so that the final product was a mixture of all these gases. The mixture was to have density of 0.497 g per litre at 298K and 1 atm. What would be the mass of gas in 22.4L at 1 atm and 273K? Calculate the % composition of this gaseous mixtue by volume?

Dear student,

Use gas law

PV=nRT

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