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Compounds, formulae and equations

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Question 7

1.158 g of an oxide of iron is reduced by hydrogen gas to form iron metal and 0.360 g of water.

What is the formula of the oxide of iron?

FeO\text{FeO}FeO

Fe2O3\text{Fe}_2\text{O}_3Fe2​O3​

Fe3O4\text{Fe}_3\text{O}_4Fe3​O4​

FeO2\text{FeO}_2FeO2​

Compounds, formulae and equations Questions

  1. A Level
  2. /Chemistry
  3. /Compounds, formulae and equations