Problem: Iron is mined from the earth as iron ore. Common ores include Fe2 O3 (hematite), Fe3 O4 (magnetite), and FeCO3 (siderite).Calculate the mass percent composition of iron for FeCO3 (siderite).

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We are asked to calculate the mass percent composition of iron for FeCO3 (siderite).


Molar mass Fe = 55.85 g/mol

Molar mass  FeCO3 = 115.86 g/mol


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Problem Details
Iron is mined from the earth as iron ore. Common ores include Fe2 O3 (hematite), Fe3 O4 (magnetite), and FeCO3 (siderite).


Calculate the mass percent composition of iron for FeCO3 (siderite).

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