CuCl2 is an ionic compound with two elements, copper and chlorine. Chlorine is a halogen, part of Group XVII, and copper is a transition metal, of Group XI.
The Cu2+ from CuSO4 is displaced by the Na+ from NaCl and CuCl2 and Na2SO4 are formed.
K[CuCl2]
CuCl2(s) = Cu^2_(aq) + + 2Cl^-(aq) In solution the chloride anions )Cl^-) are colourless ; see also dissolved common salt (NaCl) So it must be the copper cations (Cu^2+) that gives the colour blue.
CuCl2 is the product.
metalic gold and metalic blue
CuCl2
metalic gold and metalic blue
bauxite is mettallic
metallic
metalic gold and metalic blue
coppers mass is 64 29protons+35neutrons=64
CuO + 2HCL - CuCl2 + H2O