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Find out the mass of Oxygen atom in 44.8L of CO2  in STP.

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Find out the mass of Oxygen atom in 44.8L of CO2  in STP.

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No of moles in 44.8 litre of CO2 \(\frac{44.8}{22.4}\) 2 mol,

1 Mole of CO2  contains 1 mole of C and 1 mole of O2 

∴ 2 Mole of CO2 contains 2 mole of O2  or 4 mole of oxygen atom. 

Man of oxygen atom 4 × 16 = 64 g

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