Question: A fuel mixture having a molar analysis of 70% CH4, 20% CO, 5% O2 and 5% N2 burns completely with 130% of theoretical air. Determine

A fuel mixture having a molar analysis of 70% CH4, 20% CO, 5% O2 and 5% N2 burns completely with 130% of theoretical air. Determine
(a) The air-fuel ratio on a mass.
(b) Mole basis.

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