Nitric oxide (NO) reacts with oxygen gas to form nitrogen dioxide (NO2), a

Question

dark-brown gas:
2NO(g) + O2(g) -> 2NO2(g)
In one experiment 0.886 moles of NO is mixed with 0.503 moles of O2.
Calculate which of the two reactants is the limiting reagent.

Please show set up of problem and show work.