56 g of gas occupies 112 cm3 at ntp. The molecular mass is
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Answer:
1mole of gas occupies 22.4 litres.
and the weight of 1 mole of gas in grams is the same as the molecular mass.
so you have 0.28 / 22.4 moles of gas and it weighs 0.56 ( 280 cm^3 -> 0.28 Litre)
so multiply by 22.4 / 0.28 to get the weight of 1 mole of gas
ie 0.56 * 22.4 / 0.28 = 44.8
Explanation:
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