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Methane is completely burned with 30% excess air, with 20% of the carbon transforming to CO....

Methane is completely burned with 30% excess air, with 20% of the carbon transforming to CO.
a) What is the molar composition of the stack gas on a dry basis?
b) Estimate the partial pressure of the CO in the stack gas if the barometer read 750 mmHg.

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