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When sulfuric acid and copper (II) oxide are allowed to react, copper (II) sulfate is formed....

When sulfuric acid and copper (II) oxide are allowed to react, copper (II) sulfate is formed. Why did you wash the precipitated copper oxide with water? What observation might you make that suggests that a chemical reaction has occurred?

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Chemical reactim Balmced Equation łt Black CuO (s) + H2SO4 (aq) —— CuSO4 (aq) + HOC) a solid Blue solution * The precipitated

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