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1. |
A reactor is supplied with 6 moles of N2 and 9 moles of H2, if 3 moles of NH3 is produced, how many moles of H2 are left at the end? |
A. | 1.5 |
B. | 3 |
C. | 4.5 |
D. | 6 |
Answer» D. 6 | |