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Ammonia nh3 chemically reacts with oxygen gas o2 to produce nitric oxide no and water h2o . what mass of nitric oxide is produced by the reaction of of oxygen gas

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scme1702
The reacting amount of oxygen is 7.3 grams.

First, we construct a reaction equation. This is:
4NH₃ + 5O₂ → 4NO + 6H₂O

Next, we find the moles of oxygen gas present, this is:
Moles = mass / Mr
Moles = 7.3 / 32
Moles = 0.23

The molar ratio of nitric oxide to oxygen is 4 : 5; using this, we find the moles of nitric oxide produced to be:

0.23 * 4/5
0.18 moles of nitric oxide

We find the mass using the same formula as above:

mass = 0.18 * 30
mass = 5.4 g

5.4 grams of nitric oxide will be produced.

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