CP More Percent Yield Problems

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Answer the following problems showing all work.

1) I reacted 21.5g of ammonia gas (NH_{3 (g)}) with excess Nitrogen monoxide. After the below reaction stopped, I had collected 37.1g of Nitrogen gas (N_{2 (g)}).

4 NH_{3 (g)} + 6 NO_(g) --> 5 N_{2 (g)} + 6 H₂O_(g)

a) What is the stoichiometric yield of Nitrogen gas.

b) What is the Percent Yield of Nitrogen gas? (Round to 1 decimal place for percent yield answer).

2)

Answer:
1a) 44.3g N₂
1b) 83.4% N₂