One mole of methane undergoes complete combustion in a stoichiometric amount of air. The reaction proceeds as CH4 + 2O2 → CO2 + 2H2O. Both the reactants and products are in gas phase. ΔH°298 = -730 kJ/mole of methane. Mole fraction of water vapour in the product gases is about
A. 0.19
B. 0.33
C. 0.40
D. 0.67
Answer: Option A
This Question Belongs to Chemical Engineering >> Stoichiometry
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