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When pure carbon is burnt in air some of it is oxidized to CO2 and some...

When pure carbon is burnt in air some of it is oxidized to CO2 and some to CO. If the molar ratio of N2 to O2 is 7.18 and the molar ratio of CO to CO2 is 2, what is the percentage excess air used? Exit gases contain only N2, O2, CO and CO2.

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The Answer of the question is 40 %


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