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Problem: In the reaction of 1.80 moles NH 3(g) and 2.00 moles O2(g) 4 NH3(g) + 5 O2(g) → 4 NO(g) + 6 H2O(l), which is the limiting reactant? 1. O2 limiting; 1.6 mol NH3 left over 2. O2 limiting; 0.4 mol NH3 left over 3. O2 limiting; 1.8 mol NH3 left over 4. NH3 limiting; 0.25 mol O2 left over 5. NH3 limiting; 2.00 mol O2 left over 6. NH3 limiting; 0.2 mol O2 left over 7. NH3 limiting; 0.4 mol O2 left over 8. O2 limiting; 0.2 mol NH3 left over

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Problem Details

In the reaction of 1.80 moles NH 3(g) and 2.00 moles O2(g)

4 NH3(g) + 5 O2(g) → 4 NO(g) + 6 H2O(l),

which is the limiting reactant?

1. O2 limiting; 1.6 mol NH3 left over

2. O2 limiting; 0.4 mol NH3 left over

3. O2 limiting; 1.8 mol NH3 left over

4. NH3 limiting; 0.25 mol O2 left over

5. NH3 limiting; 2.00 mol O2 left over

6. NH3 limiting; 0.2 mol O2 left over

7. NH3 limiting; 0.4 mol O2 left over

8. O2 limiting; 0.2 mol NH3 left over

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