

MCQOPTIONS
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1. |
To_obtain_a_100_Kg_of_40_%_N2_solution,_how_much_nitrogen_must_be_added_to_a_20%_nitrogen_solution?$ |
A. | 10 Kg |
B. | 25 Kg |
C. | 50 Kg |
D. | 75 Kg |
Answer» C. 50 Kg | |