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OpenStudy (anonymous):
Copper metal can be produced by roasting copper ore which can contain cuprite (Cu2S) and copper (II) sulfide. Cu2S (s) + O2 (g) -> 2 Cu (s) + SO2 (g) CuS (s) + O2 (g) -> Cu (s) +SO2 (g) Suppose the ore contains 11.0 % impurity in addition to a mixture of CuS and Cu2S. Heating 100.0 g of the ore produces 75.4 g of copper metal with a purity of 89.5 % The ore was __________ % CuS and __________ % Cu2S
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OpenStudy (anonymous):
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