1.

The density of air is 0,001293gm/mlatS.1PIt'svapourdensityis-

Answer»

molecular mass=2×vapour densitygiven density=.001293g/cm³1 ml has .001293 gm22.4 ml has .001293×22.4×10³molecupar mass=28.97vapour density= mol. mass/2 = 14.485



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