HORSY890 HORSY890

01-10-2016
Chemistry

contestada

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?

A. 71.85 g
B. 143.70 g
C. 159.70 g
D. 319.40 g

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

Respuesta :

fwhitscell2002 fwhitscell2002

01-10-2016

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

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puppysmile puppysmile

01-10-2016

The answer is C I think

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