Question

When 127 g of copper reacts with 32 g of oxygen gas to form copper (II) oxide, no copper or oxygen is left over. How much copper (II) oxide is produced?

Answer 1

Answer:

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Answer 2

Answer:

2Cu+O

2

→2CuO

Total mass on reactants side =127g+32g=159g that should be equal to the mass of products that is 159g

The correct option is D.

Explanation:

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