MCa=40kg/kmol
MCa(OH)2=74kg/kmol
In 74kg Ca(OH)2 se gasesc,,,,,,,,,,,,,,,,,,,40kg Ca
xKg..........................................................8kg Ca
x=8*74/40=Calculeaza!!
2) MCa(OH)2=74g/mol
MCa=40g/mol
In 74g Ca(OH)2 se gasesc.............40g Ca
In 7,4g Ca(OH)2 se gasesc,,,,,,,,,,,,,4g Ca