CH-1932
Empirical and molecular formulae
Chemistry · Secondary 4 · Medium · Empirical and molecular formulae
A 9.00 g sample of an oxide of iron contains 6.28 g of iron and the rest oxygen.
What is the empirical formula of this oxide? (: Fe = 56, O = 16)
What is the empirical formula of this oxide? (: Fe = 56, O = 16)
- Fe₂O₃
- FeO
- Fe₃O₄
- Fe₂O
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