What is the chemical formula of copper pyrite - AnswersCopper is multivalent but its most commom valence is 2- so the equation should look like this: Cu (s) + H2O (l) ---> Cu(OH)2 (s) + H2 (g) Copper metal reacts with.copper pyrite formula,Chalcopyrite - WikipediaChalcopyrite is a copper iron sulfide mineral that crystallizes in the tetragonal system. It has the chemical formula CuFeS2. . In contrast to the pyrite structure chalcopyrite has single S2− sulfide anions rather than disulfide pairs. Another.
copper pyrite formula