The Mole:
1 Mole = 6.02 x 1023 items (of anything)
Avogadro’s number
- 1 mole C12 = 6.02 x 1023 atoms of C12
- 1 mole sulphur = 6.02 x 1023 atoms of sulphur.
÷ 6.02 x 1023
No. atoms/molecules No. Moles
X 6.02 x 1023
- Relative Atomic mass in grams of any element contains one mole of atoms
X 6.02 x 1023
Moles No. Particles
1 kg = 1000g
÷ 6.02 x 1023
1 mg = 1 x 10-3 g
1 µg = 1 x 10-6 g