Lithium and nitrogen react in a combination reaction to produce lithium nitride: 6Li (s)+N₂(g)→2Li₃N (s). How many moles of lithium nitride are produced when 0.450 mol of lithium react in this fashion?
a) 1.35 mol
b) 0.225 mol
c) 0.150 mol
d) 0.900 mol
e) 0.0750 mol
