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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? A. 71.85 g B. 143.70 g C. 159.7…

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. 159.7…
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4 votes
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...

asked
User Stefan Vasiljevic
by
7.3k points

2 Answers

4 votes
The answer is C I think
answered
User Samuli Asmala
by
8.1k points
2 votes
C. 159.70 Fe=55.85g/mol * 2 = 111.70 O=16.00g/mol * 3 = 48.00 +_______ 159.70
answered
User Sergio Mazzoleni
by
8.5k points
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