razok1019 razok1019

25-01-2021
Chemistry

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Explain how you know it must be oxygen. Where did the oxygen come from?

Respuesta :

Jackdieiplier Jackdieiplier

08-02-2021

Answer:

Copper oxide is the only product, and it contains copper and oxygen.

One of the reactants is copper, so the other reactant must be oxygen.

The copper metal must have combined with something in the air.

Explanation:

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