Question

Use a nail rusting in air to explain the law
of conservation of mass.

Answer 1

When a nail is exposed, is becomes oxidized. It does not actually lose any matter, but rather the matter is transferred to the air itself.

Step-by-step explanation:

Answer 2

The matter is neither crated nor destroyed during this chemical change. The mass of the original nail equals the mass of the rusted nail.

Step-by-step explanation:

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