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How many litres of oxygen at STP are required for combustion of 4gm of ethylene?

Science & Mathematics by Anonymous 2018-05-25 11:05:13

Social Science

How many litres of oxygen at STP are required for combustion of 4gm of ethylene?

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  • Anonymous

    Seems no one uses the Law of definite composition. C2H4 + 3O2 --> 2CO2 + 2H2O molar mass C2H4 = 28 ... 3 mole O2 at STP = 3(22.4) = 67.2L 4 / 28 = x/67.2 x = 67.2L / 7 = 9.6L

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