Answer:
0.24 moles of N₂
Explanation:
The reaction is this one:
N₂ + 3H₂ → 2NH₃
Ratio is 2:1
2 moles of ammonia are produced by 1 mol of N₂
If I have 0.48 moles of NH₃, they wil be produced by (0.48 . 1)/2 = 0.24 moles of N₂
Exactly the half, because the stoichiometry.
