What is the mass of iron contained in 100g of an iron ore?

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asked Feb 5, 2019 112k views

1 Answer

Chris Byron · Answer 1 · 2019-02-10T22:59:37+0000

It depends on which iron ore it is.
The most common form is Fe2O3
Molar mass o iron = 55.85
Molar Mass of Oxygen = 16

So mass of iron i Fe2O3 = (2*55.85) * 100/ (2*55.85 + 3*16) = 69.9 g

What is the mass of iron contained in 100g of an iron ore?

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