Question

The vapour density of a gas is 11.2. Calculate the volume occupied by 11.2 g of the gas at NTP.
[Hint: Mol. wt. = 2 x VD]
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Answer 1

Answer-

Molecular weight=2*11.2=22.4

n=given mass/molecular weight

n=11.2/22.4 = 1/2 =0.5

n=volume occupied/22.4 litre

0.5=v /22.4

v=0.5*22.4

v=11.2 litre

So volume occupied is 11.2litre or 11200ml

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