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the most common source of copper (Cu) is the mineral chalcopyrite (CuFeS2). How many kilograms of chalcopyrite must be mined to obtain 475 g of pure Cu?
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the most common source of copper (Cu) is the mineral chalcopyrite (CuFeS2). How many kilograms of chalcopyrite must be mined to obtain 475 g of pure Cu?

User Samanda
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0.650 kg... I think,
But what are the answer choices?
User Prajmus
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