Pesos Atomicos
Hidrogeno H = 1 g / mol Carbono C = 12 g / mol
Azufre S = 32 g / mol Magnesio Mg = 24 g / mol
Nitrogeno N = 14 g / mol Oxigeno O = 16 g / mol
Iodo I = 126, 9 g / mol Calcio Ca = 40 g / mol
Acido Sulfhidrico H₂S
H ⇒ 1 g / mol×2 = 2 g / mol
S⇒32g / mol×1 = 32 g / mol + PM⇒34 g / mol
Dioxido de Nitrogeno NO₂
N⇒ 14 g / mol×1 = 14
O⇒ 16 g / mol×2 = 32 + PM⇒ 46 g / mol
ButanoC₄H₁₀
C⇒ 12 g / mol×4 = 48
H⇒ 1 g / mol×10 = 10 + PM⇒58 g / mol
Ioduro de Magnesio MgI₂
Mg⇒ 24 g / mol × 1 = 24
I ⇒ 126, 9 g / mol× 2 = 253, 8 + PM⇒ 277, 8 g / mol
Glucosa C₆H₁₂O₆
C⇒ 12 g / mol× 6 = 72
H⇒ 1 g / mol×12 = 12
O⇒ 16 g / mol× 6 = 96 + PM⇒ 180 g / mol
Carbonato de Calcio CaCO₃
Ca⇒40 g / mol× 1 = 40
C⇒ 12 g / mol× 1 = 12
O⇒ 16 g / mol× 3 = 48 + PM⇒100 g / mol.