Răspuns :
2moli 2moli 1mol
2K + 2H2O => 2KOH + H2
3moli xmoli ymoli
x=3×2/2=3moli KOH
y=3×1/2=1,5moli H2
2K + 2H2O => 2KOH + H2
3moli xmoli ymoli
x=3×2/2=3moli KOH
y=3×1/2=1,5moli H2