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Calculate the moles of Fe2O3 given its mass is 7.98 g.

Chemistry

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Step 2: Calculate the moles of Fe2O3\text{Fe}_2\text{O}_3.
The molar mass of Fe2O3\text{Fe}_2\text{O}_3 is 2(55.845)+3(15.999)=111.69+47.997=159.687 g/mol2(55.845) + 3(15.999) = 111.69 + 47.997 = 159.687 \text{ g/mol}.

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