36 gram H2O (Ar H = 1, O = 16)

Mol H2O
= massa / Mr
= 36 / 18
= 2 mol

Volume
= 2 x 22,4
= 44,8 liter

Jumlah molekul
= 2 x (6,02 x 10^23)
= 12,04 x 10^23 molekul

H2O
mol = gr / Mr
mol = 36 / (2 × 1) + 16
mol = 36 / 18
mol = 2