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A mixture of 0.2 g of o2 and 0.4 g of co2 gas. the ratio of 0xygen atoms present in oxygen gas to that in carbon dioxide gas is




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Molecular weight of O2 = 32
molecular weight of CO2 = 44
Number of moles of O2 : number of mole s of CO2 = 0.2/32 : 0.4 / 44
         = 1/16 : 1/11 = 11  : 16

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