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18-05-2021
Chemistry

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What is the percentage by mass of copper in copper oxide (CuO)?

Respuesta :

18-05-2021

Answer:

79.89%

Explanation:

Copper has a molar mass of 63.55

Oxygen has a molar mass of 16.00

If you add these you get 79.55

To get the mass percent of copper divide copper by the whole. 63.55/79.55*100= 79.89%

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