What is the minimum mass of chalcopyrite , a copper ore, from which 2.0g of pure copper could be extracted?
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Copper can be extracted from its ore by: Underground: sinking a vertical shaft into the Earth to an appropriate depth and driving horizontal tunnels into the ore. ... The ore is treated with dilute sulfuric acid. This trickles slowly through the ore dissolving copper to form copper sulfate.
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o.1 g of chalcopyrite is the minimum mass .
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