Cl2->HCl->CaCl2->Ca(OH)2->CaCO3
Cl2+H2 = 2 HCl
Ca(NO3)2+2 HCl = CaCl2+2 HNO3
CaCl2+2 NaOH = Ca(OH)2+2 NaCl
Ca(OH)2 + Na2CO3 = СaCO3+2 NaOH
Cl2->HCl->CaCl2->Ca(OH)2->CaCO3
Cl2+H2 = 2 HCl
Ca(NO3)2+2 HCl = CaCl2+2 HNO3
CaCl2+2 NaOH = Ca(OH)2+2 NaCl
Ca(OH)2 + Na2CO3 = СaCO3+2 NaOH