Answer to Question #69686 in Inorganic Chemistry for Robin

Question #69686
Hi, I have been given impure malachite and I need to create CuO. I don't know what other components are present, probably silica, some aluminum, and maybe sulfates. I know just heating pure malachite should give me CuO, but how do I separate the CuO from other components. I was thinking dissolving in acetic acid, boiling it off to get copper acetate, and then heating the copper acetate to get back to CuO. But I I'm not sure how much CuO will dissolve in acetic acid. Do you have any suggestions? Thank you.
1
Expert's answer
2017-08-11T06:29:10-0400
Malachite can contain various elements of SiO2 P2O5 CaO and metals. In order to obtain pure CaO, it is necessary to know what is contaminated by a small hit

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Comments

Robin Barber
12.08.17, 04:26

Thank you for responding to my questions. Could you tell me what you mean by "know what is contaminated by a small hit", please? Thanks

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