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प्रश्न
What is the vapour density of ethylene? (Avogadro's number = 6 x 1023; Atomic weight of C = 12, H = 1; Molar volume = 22.4 litres at STP)
What is the vapour density of ethylene?
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उत्तर
Vapour density = `"Molecular weight"/2`
= `28/2`
= 14
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