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When hydrochloric acid is added to copper oxide, a chemical reaction occurs where the acid reacts with the oxide to form copper chloride and water. The balanced equation for this reaction is:

CuO(s) + 2HCl(aq) -> CuCl2(aq) + H2O(l)

The copper oxide is dissolved in the acid to form a blue-green solution of copper chloride.

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1y ago

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