When elemental copper is strongly heated with sulfur, a mixture of CuS and Cu2S is
Chapter 9, Problem 71(choose chapter or problem)
When elemental copper is strongly heated with sulfur, a mixture of CuS and Cu2S is produced, with CuS predominating. Cu(s) _ S(s) S CuS(s) 2Cu(s) _ S(s) S Cu2S(s) What is the theoretical yield of CuS when 31.8 g of Cu(s) is heated with 50.0 g of S? (Assume only CuS is produced in the reaction.) What is the percent yield of CuS if only 40.0 g of CuS can be isolated from the mixture?
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