Material Balances on Chemical Engineering related Questions and Answers


Question :   In a batch process, 40 mole of O2 and 30 mole of CO2 entered a vessel with some CO2, if 100 mole of product leaves the vessel, what is the percentage of O2 in the product?
1. 10%
2. 40%
3. 60%
4. 80%
Answer :   2 - 40%  

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