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On passing 2 litres of a mixture of CO and CO2 over red hot charcoal, the volume becomes 2.5 litres. The volume fraction of Co in the mixture is

  • chemistry -

    So, some of the CO2 became CO.

    CO2+ C> 2CO

    If you assume all the CO2 was converted, then the the added volume of .5 liters equals the new CO, minus the original CO2

    2.5litersCO= xlitersCOoriainal+ 2(2-x)liters CO new.

    2.5=x+4-2x if my algebra is right, so
    or the original amount of CO was 1.5, or 3/4 of the original mixture was CO.

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