You put that Fe2O3 amu was 160, then 1 mole of Fe3O3 was was 160 ... shouldn't have been 1 mole of Fe2 03 was 160?

Question

Chemistry

Mario Henry

6 May, 07:28

You put that Fe2O3 amu was 160, then 1 mole of Fe3O3 was was 160 ... shouldn't have been 1 mole of Fe2 03 was 160?

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Declan · Answer 1

AMU means atomic mass units, based on a scale of 1/12 a carbon 12 atom. AMU adds up to molecular weight, which is what I think you are asking about.

Fe2O3's molecular weight is about 160 grams/mole and Fe3O3's molecular weight is about 216g/mol. You're right.