Answer:
The answer to your question is: 1.21 x 10 ²⁴ particles of N₂O
Step-by-step explanation:
Data
# of particles = 2.02 moles of N₂O
1 mol of N₂O ---------------- 6.023 x 10 ²³ particles
2.02 moles ---------------- x
x = (2.02 x 6.023 x 10²³) / 1
x = 1.21 x 10 ²⁴ particles of N₂O