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Please I really need help:

Iron forms rust, expressed as Fe2O3. Using information from the periodic table, what is the mass of one mole of Fe2O3?

A71.85 g
B143.70 g
C159.70 g
D319.40 g

How would I calculate this out? I really need to know...

Verified Answer :

fwhitscell2002

C. 159.70

Fe=55.85g/mol 2 = 111.70
O=16.00g/mol 3 = 48.00
+_______
159.70

puppysmile

The answer is C I think

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