One of the steps in the commercial process for converting ammonia to nitric acid is the conversion of NH₃ to NO: 4 NH₃(g) + 5 O₂(g) → 4 NO(g) + 6 H₂O(g) In a certain experiment, 2.00 g of NH₃ reacts with 2.50 g of O₂. (d) Show that your calculations in parts (b) and (c) are consistent with the law of conservation of mass.

Video transcript

Hey everyone in this example, we're told that ammonia can be converted to nitric acid in the given reaction below. And one step in that process is the conversion of ammonia to nitrogen monoxide. We're told that this reaction was studied by reacting 4.50 g of ammonia with 3.20 g of oxygen gas. And after the react and reached reached completion, we have 2.40 g of nitrogen monoxide and 2.16 g of oxygen gas that was produced and 3.14 g of ammonia. That has remained. We need to show how this is consistent with the law of conservation of mass. So we should recall for our law of conservation of mass that we have. The two main principles wherein the first principle are mass of our components in our reaction should be conserved, not changed. And for the second important principle of our law here we have that the mass of our reactant should equal the mass of our products. So according to the prompt, our reactant where we have 4.50 g of ammonia and 3.20 g of oxygen, which are our initial masses before our reaction begins. These equal a sum of 7.70 g. So this is our mass Before the reaction occurs. And now we want to find our mass after the reaction. And so what we're going to do is take our mass of nitrogen monoxide given in the prompt as 2.40 g and add that to our mass of oxygen gas Given in the prompt as 2.16g, Which we will also add to the amount of Ammonia that has remained after our reaction went through. And so in the prompt that that that is given as 3.14 g of ammonia. And so this equals a value also of 7. g, which is our mass after our reaction. And so we can say that therefore our mass of our reactant is equal to our mass of our products plus access reactant, which is our ammonia. Thus the mass of components of the reaction is conserved. And so this will be our final answer to complete this example to show how a reaction here is consistent with the law of conservation of mass. So if you have any questions, please leave them down below. Otherwise, I will see everyone in the next practice video.