1mol...................6.023*10²³ atomi Ca
1/2moli................x
x=3.0115*10²³atomi Ca
1mol.................2*6.023*10²³ atomi O₂
1/2moli..............y
y=6.023*10²³ atomi O₂
1mol.................2*6.023*10²³ atomi N₂
1/2moli..............z
z=6.023*10²³ atomi N₂