Question

How many moles of atoms will be present in one mole of O3?

Answer 1

1 mole of anything = 6.02 × 10^23 things

Ozone is O3, so each molecules has 3 O atoms

1 mole of ozone molecules = 6.02 × 10^23 molecules
1 mole of ozone molecules = 3 × 6.02 × 10^23 = 1.806 × 10^24 atoms