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irina1246 [14]
3 years ago
10

A 3.5 kg iron shovel is left outside through the winter. The shovel, now orange with rust, is rediscovered in the spring. Its ma

ss is 3.7 kg. How much oxygen combined with the iron?
Chemistry
1 answer:
Anton [14]3 years ago
8 0

Answer:

a

Explanation:

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