Multiple Choice
Copper was the first metal to be produced from its ore because it is the easiest to smelt, that is, to refine by heating in the presence of carbon.The ore was likely malachite [Cu2(OH) 2CO3].What is the mass percent of copper in malachite?
A) 28.7%
B) 45.2%
C) 57.5%
D) 40.3%
E) 74.6%
Correct Answer:

Verified
Correct Answer:
Verified
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