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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 360. g of pure Cu?

Question

The most common source of copper (Cu) is the mineral chalcopyrite (CuFeS2). How many kilograms of chalcopyrite must be mined to obtain 360. g of pure Cu?

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Step 1

1 molecules of chalcopyrite contains 1 atom of copper. 

Mole of Cu to be obtained may be calculated as:

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Step 2

To obtain 5.67 mol of pure Cu, 5.67 mol of CuFeS2 is required. Thus, the mass ...

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