Question

6. Осуществите превращения:
CaCl2-Ca-Cao-Ca(OH)2-CaCO3–Ca(HCO3)2-CaC03–Cas04​

Answer 1

CaCl2+2Na=2NaCl+Ca

2Ca+O2=2CaO

CaO+H2O=Ca(OH)2

Ca(OH)2+CO2=CaCO3+H2O

CaCO3+H2O+CO2=Ca(HCO3)2

Ca(HCO3)2=CaCO3+H2O+CO2

CaCO3+H2SO4=CaSO4+CO2+H2O