Structura:
Formula | Nr. atomi | Masa molara
3H2CO3 | 6H 3C 9O | MH2CO3 = 2*1 + 12 + 3*16 = 62 g/mol
5CCl4 | 5C 20Cl - | MCCl4 = 12 + 4*35,5 = 154 g/mol
4H2SO4 | 8H 4S 16O | MH2SO4 = 2*1 + 32 + 4*16 = 98 g/mol
6SO3 | 6S 18O - | MSO3 = 32 + 3*16 = 80 g/mol
