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1. |
An evaporator while concentrating an aqueous solution from 10 to 40% solids evaporates 30000 kg of water. The amount of solids handled by the system in kg is___________________? |
A. | 4000 |
B. | 9000 |
C. | 4600 |
D. | 3000 |
Answer» B. 9000 | |