Kemiske formler og formelmasse

Kemiske formler og formelmasse. HCl -> Hydrogen H, Chlor Cl-> Saltsyre -> 36,453u H2O -> 2x Hydrogen H, Oxygen O -> Vand -> 1,00794 x2 + 15,9994 = 18,01528 u HBr -> Hydrogen H, Brom Br -> Hydrogenbromid -> 1,00794 + 79,904 = 80,91194 u H2SO4 -> 2x Hydrogen H, Svovl S, 4x Oxygen O -> Svovlsyre -> 1,00794 x2 + 32,066 + 15,9994 x4 = 98,07948 u NaCl -> Natrium Na, Chlor Cl -> NatriumChlorid -> 22,989770 + 35,453 = 58,453 u H2O-> 2x Hydrogen H -> Hydrogen -> 1,00794 + 1,00794 = 2,01588 u O2 -> 2x Oxygen