The extent of a reaction is 10, and the stoichiometric coefficient of – McqOptions

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1.	The extent of a reaction is 10, and the stoichiometric coefficient of O₂ is 2.5, if the moles of O₂ entering the process is 45, what is the percentage of excess air?
A.	20%
B.	40%
C.	60%
D.	80%
Answer» E.

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