The document outlines the equivalence of one mole to 6.02 x 10^23 molecules and explains that one dozen equals 12. It relates these quantities to mass, stating that one mole corresponds to 12 grams of helium. This succinctly connects molecular quantities to mass and counting units.

9. 6.02x10’23 molecules
1mole
1 dozen = 12
1mole = 6.02 x10’23

44. ●12g
He