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1. |
The rate of flow in stream with 20% O₂ and 80% CO₂ is 5 mole/hr, the contained was initially filled with 3 mole of O₂, what will be the percentage of O₂ in product stream? |
A. | 12.5 |
B. | 25 |
C. | 37.5 |
D. | 50 |
Answer» E. | |