please help me with honors chem molarity question
Ammonia will react with fluorine to produce dinitrogen tetrafluoride and hydrogen fluoride (used in production of aluminum, in uranium processing, and in frosting of light bulbs).
2 NH3(g) + 5 F2(g) N2F4(g) + 6 HF(g)
How many moles of NH3 are needed to react completely with 13.6 mol of F2?
A. 6.80 mol
B. 34.0 mol
C. 2.27 mol
D. 27.2 mol
E. 5.44 mol