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5 July, 18:54

How many moles are in a 12.0 g sample of Fe2O3?

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  1. 5 July, 19:38
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    We know that Fe2O3 has a molar mass of 159.69 g / mol, therefore the number of moles of a 12 g sample is:

    number of moles = 12 g / (159.69 g / mol)

    number of moles = 0.075 mol
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