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What is the percentage of excess air, if 10 moles of air entered the process and only 5 moles of that are required?(a) 10%(b) 50%(c) 75%(d) 100%The question was posed to me in semester exam.I'd like to ask this question from Material Balances Involving Combustion topic in chapter The Chemical Reaction Equation & Stoichometry, Material Balances for Processes Involving Reaction and Multiple Units of Basic Chemical Engineering

Answer» RIGHT answer is (d) 100%

EXPLANATION: Percentage of excess AIR = 100*(10 – 5)/5 = 100%.


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