One liter of an unknown gas weighs 1.25 g at STP. The possible formula of the gas is _______.
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Explanation:
Volume at STP of one more is 22.4 l, and the volume at NTP of one mole is 24 l.
As per the Charles law, the formula is V1 / T1 = V2 / T2.
When 24 l has 1 mole then 1 l will have 1 / 24 moles which is equal to 0.04 moles.
And the molar mass of oxygen comes to 32 g.
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