CaCl2 - хлорид кальций. Ca(OH)2+2HCl-->CaCl2+2H2O Ca+Cl2-->CaCl2 <span />
Смотри вложение !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Fe + CuSO4 = FeSO4 + Cu
1.4P + 5O(2) = 2P(2)O(5)