Răspuns :
Răspuns:
56g..............................74g
CaO + H2O => Ca ( OH)2
80g...............................xg
MCaO =40+16=56g/mol
MCa(OH)2=40+2×16+2×1=74g/mol
x=80×74/56=105,71g Ca(OH)2
Răspuns:
56g..............................74g
CaO + H2O => Ca ( OH)2
80g...............................xg
MCaO =40+16=56g/mol
MCa(OH)2=40+2×16+2×1=74g/mol
x=80×74/56=105,71g Ca(OH)2