What Is the Formula for Iron (III) Acetate?

By Staff WriterLast Updated Mar 25, 2020 2:59:38 AM ET

The formula for iron(III) acetate is Fe(CH3CO2)3. It may also be written as Fe(C2H3O2)3, Fe(Ac)3 or C14H27Fe3O18. Iron(III) acetate is most often called basic iron acetate, along with basic iron(III) acetate and iron(III) oxyacetate. It is a solid salt that appears as a brownish-red powder.

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The formula for the compound iron(III) acetate shows that each molecule contains six atoms of carbon, nine atoms of hydrogen, one atom of iron and six atoms of oxygen. The Roman numeral in iron(III) shows the charge on the ion of iron in iron(III) acetate. In contrast, the formula for iron(II) acetate is Fe(C2H3O2)2.

The compound has a molar mass of about 232.97 grams per mole.