eduardofalcao20 Posted April 29, 2019 Posted April 29, 2019 Hi guys. English is not my native language, so this text is gonna have a lot of grammatical erros. I will have to do an assignment about titration with EDTA. These are the reactions we're gonna do. Copper sulfate + EDTA Copper sulfate + Cloridric acid(HCl) + EDTA Copper Sulfate + NH3 + EDTA I saw a video on youtube with a guy doing a reaction of Copper Sulfate + NH3. But he calls copper sulfate [Cu(H2O)6], instead of CuSO4. Does someone can explain why he does that? And when we add HCl or NH3 the product will be different?
chenbeier Posted April 29, 2019 Posted April 29, 2019 (edited) Coppersulfate in aqueous solution is Cu(H2O)62+ + SO42-. By adding HCl a chlorido complex is formed CuCl42- and ammonia gives copper tetrammin complex Cu(NH3)42+ Edited April 29, 2019 by chenbeier
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