# General Chem.

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FeCo3
Calculate the mass percent composition of iron for the third one of these iron ores.

• General Chem. -

I don't see any iron ores listed.

• General Chem. -

(siderite).FeCO3

• General Chem. -

%Fe = (atomic mass Fe/molar mass FeCO3)*100 = ??

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