What is meant by 1 mole of carbon atoms ?

• A mole represents 6.022$\times$10²³ particles.
• Thus, 1 mole (of anything) = 6.022$\times$10²³ particles.
• 1 mole is equal to the number of atoms in exactly 12 grams of pure carbon-12 (C-12).
• 12g C-12 = 1 mole C-12 atoms = 6.022$\times$10²³ atoms