Question

Laughing gas (nitrous oxide, N20) is some-
times used as an anesthetic in dentistry. It is
produced when ammonium nitrate is decom-
posed according to the reaction
NH4NO3(s) — N2O(g) + 2 H2O(l).
How much NH4NO3 is required to produce
46.4 g of N2O?
Answer in units of g.

Answer 1

Answer: 109.2g

Explanation:

1 mole N2O = 34 g

46.4g = 46.4/34 moles = 1.365 moles

1 mole N2O is from 1 mole NH4NO3

1.365 moles NH4NO3 = 1.365*80g = 109.2g