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What is the mass of 7 moles of Fe2O3

What is the mass of 7 moles of Fe2O3
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What is the mass of 7 moles of Fe2O3

User ChewyChunks
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2 ⋅ 55.845 + 3 ⋅ 16 = 159.69 g. Since molar mass represent the weight of 1 mol of compound, we multiply this amount by 5 to find what is the mass of 5 moles.
User Josef Zoller
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