For the combustion of ethane, beginning with 2.6 mol of CH3CH3,

2CH3CH3(g) + 7O2(g) → 4CO2(g) + 6H2O(g)

a. how many moles of O2 are required to completely consume the CH3CH3?

9.1 moles

b. how many moles of CO2 are obtained when the CH3CH3 is completely combusted?

5.2 moles

c. how many moles of H2O are obtained when the CH3CH3 is completely combusted?

7.8 moles

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