Răspuns :
1 L apa .............. 1,2 g Ca(HCO3)2
10 L ...................... x = 12 g Ca(HCO3)2
m g 12g
CaO + Ca(HCO3)2 = 2CaCO3 + H2O
56 98
=> m = 56x12/98 = 6,86 g Cao
1 L apa .............. 1,2 g Ca(HCO3)2
10 L ...................... x = 12 g Ca(HCO3)2
m g 12g
CaO + Ca(HCO3)2 = 2CaCO3 + H2O
56 98
=> m = 56x12/98 = 6,86 g Cao