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10 ton Chalcopyrite (CuFeS 2 ) at calcination process; please calculate O 2 , used air, and products amount by weight? Cu: 64 Fe: 56

10 ton Chalcopyrite (CuFeS₂) at calcination process; please calculate O₂, used air, and products amount by weight?

Cu: 64 Fe: 56 S:32 O:16 Air has 23% O₂

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