at ntp , 5.6 liter of a gas weight 8 gram the vapour density of the gas is ???
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at ntp , 5.6 liter of a gas weight 8 gram the vapour density of the gas is ???
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5.6 litres indicates 0.25 moles.
Given that,
0.25 moles of the gas weighs 8 grams
so, 1mole of the gas weighs 8 x 4 = 32grams
Therefore the molecular weight of the gas is 32 gram
"Vapour density is the half of the molecular weight"
Hence Vapour density = 16