The only source of copper in an ore sample is the mineral malachite, Cu2CO3(OH)2 (M = 221.1). A 1.00 — Stoichiometry Chemistry Question
Question
The only source of copper in an ore sample is the mineral malachite, Cu2CO3(OH)2 (M = 221.1). A 1.00 kg sample of this ore is smelted to obtain 47.0 g of metallic copper. Assuming a complete recovery of the copper, what percentage by mass of the ore is malachite?
A.
4.70%
B.✓ Correct
8.18%
C.
16.4%
D.
32.8%
💬
Still have doubts about this question?
Practice more questions like this, completely free.