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1. |
In a batch process, 50 Kg of H₂O and 40 Kg of CO₂ entered a vessel with some H₂O, if 100 Kg of product leaves the vessel, what is the percentage of H₂O in the product? |
A. | 10% |
B. | 30% |
C. | 60% |
D. | 80% |
Answer» D. 80% | |