Copper (II) oxide interacts with an aqueous solution 1) potassium chloride 2) hydrogen chloride
| January 17, 2021 | education
Copper (II) oxide interacts with an aqueous solution 1) potassium chloride 2) hydrogen chloride 3) sodium carbonate 4) magnesium sulfate
answer number 2) with hydrogen chloride
CuO + 2HCl = CuCl2 + H2O
hydrochloric acid (hydrogen chloride) dissolves the black powder of copper oxide and the color of the solution changes
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