MCQOPTIONS
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| 1. |
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? |
| A. | 10% |
| B. | 40% |
| C. | 60% |
| D. | 80% |
| Answer» C. 60% | |