Question

how many Fe moles in 30 gram Fe2O3​

Answer 1

Answer:

You can view more details on each measurement unit: molecular weight of Fe2O3 or grams This compound is also known as Ferric Oxide or Hematite or Iron(III) Oxide. The SI base unit for amount of substance is the mole. 1 mole is equal to 1 moles Fe2O3, or 159.6882 grams.

Answer 2

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The Mr value of Fe2O3 is equal to 2(56) + 3(16) = 160. We get that the number of moles of Fe2O3 is equal to 30/160 = 3/16 moles. Since for every mole of Fe2O3 there are 2 moles of Fe present, there are 3/16 * 2 = 3/8 moles of Fe present in 30g of Fe2O3.