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  • 25-02-2017
  • Chemistry
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What is the chemical formula for iron (lll) oxide?

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pidgenium
pidgenium pidgenium
  • 25-02-2017
Fe (III) is just Fe^+3.

Oxide is O^-2

When you write them into a chemical formula, they all need to have a neutral charge. You will need two Fe^+3 and three O^-2.

This gives you Fe2O3. 
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