andrea83b andrea83b
  • 09-12-2020
  • Chemistry
contestada

A 3.5 kg iron shovel is left outside through the winter. The shovel, now orange with rust, is rediscovered in the spring. Its mass is 3.7 kg. How much oxygen combined with the iron?

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rhhrg12 rhhrg12
  • 09-12-2020

Answer:

a

Explanation:

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