A. 88.9%
B. 80.0%
C. 66.7%
D. 20.0%
E. 11.1%
Correct Answer:
Option A – 88.9%
What is the percentage by mass of copper in copper in copper (l) oxide (CU2O)? [O = 16; CU =64]
![What mass of copper will be deposited by the liberation of Cu2+ when 0.1F of electricity flows through an aqueous solution of a copper (ll) salt? [Cu = 64]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "What mass of copper will be deposited by the liberation of Cu2+ when 0.1F of electricity flows through an aqueous solution of a copper (ll) salt? [Cu = 64]")
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