In the reaction 4 NH₃(g) + 5 O₂(g) → 4 NO(g) + 6 H₂O(l) of 1.00 mole NH₃(g) and 1.00 mole O₂(g), which reactant is the limiting reactant? 1. O₂ limiting; 0.8 mol NH₃ left over

2. O₂ limiting; 0.2 mol NH₃ left over

3. O₂ limiting; 1 mol NH₃ left over

4. NH₃ limiting; 0.25 mol O₂ left over

5. NH₃ limiting; 5 mol O₂ left over

6. O₂ limiting; 4 mol NH₃ left over

7. NH₃ limiting; 1 mol O₂ left over

8. NH₃ limiting; 1.25 mol O₂ left over