A copper ore consists of a mixture of Cu2S and CuS. An 89.0 g sample of this ore is smelted to produ — Stoichiometry Chemistry Question
Question
A copper ore consists of a mixture of Cu2S and CuS. An 89.0 g sample of this ore is smelted to produce 67.5 g of elemental copper. What is the mass of CuS in the ore sample?
A.
13.3 g
B.✓ Correct
26.6 g
C.
37.5 g
D.
64.1 g
💬
Still have doubts about this question?
Practice more questions like this, completely free.