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1. |
An aqueous solution with chlorine 30 g/L and an organic compound with no chlorine at the rate 50 L/min were put into an extraction machine and produced aqueous solution with chlorine 5 g/L and organic compound with chlorine 10 g/L, what is the rate of aqueous solution? |
A. | 10 L/min |
B. | 20 L/min |
C. | 30 L/min |
D. | 40 L/min |
Answer» D. 40 L/min | |