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1. |
The rate of flow in stream with 75% O₂ and 25% CO₂ is 20 mole/hr, the contained was initially filled with 5 mole of O₂, what will be the percentage of O₂ in product stream? |
A. | 20 |
B. | 40 |
C. | 60 |
D. | 80 |
Answer» E. | |