Question

Laughing gas (nitrous oxide, N₂O) is sometimes used as an anesthetic in dentistry.

NH4NO3(S) -> N₂O(g) + 2H₂O(1)
How many moles of NH4NO3 are required to produce 33.0g of N₂O? (2 pts)

Answer 1

Answer: 0.750

Step-by-step explanation:

NH4NO3 decomposes to make 1 mole of N20 for every mole of NH4NO3. Therefore we can solve for how many moles of N2O is 33.0g and we will also have our answer.

the molar mass of N2O is 44.01g/mol

33.0g/44.01g = 0.7498 moles

using 3 sig figs we get 0.750 moles