If 75.0 L of N₂ gas is reacted with an excess of H₂ gas at STP, how many L of NH₃ gas can be made?
N₂(g) + 3 H₂(g) ⟶ 2 NH₃(g)
N₂(g) + 3 H₂(g) ⟶ 2 NH₃(g)