40 g Ca.....6,023 * 10 la 23 atomi
x g Ca.......2 * 6,023* 10 la 23 atomi x = 80g Ca
1 g H..........6,023 * 10 la 23 atomi
y g H........2 * 6,023 * 10 la 23 atomi y = 2 g H
35,5 g Cl..........6,023 * 10 la 23 atomi
z g Cl.............2 * 6,023 * 10 la 23 atomi z = 71 g Cl