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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. | t10% |
B. | t30% |
C. | t60% |
D. | t80% |
Answer» D. t80% | |