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Chemical Reaction Equation & Stoichometry on Chemical Engineering related Questions and Answers


Question :   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?
1. 20%
2. 40%
3. 60%
4. 80%
Answer :   4 - 80%  

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