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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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centromere centromere
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7 years ago
An iron oxide is 77.7% in iron. Its empirical formula is ________.
A) FeO
B) Fe2O
C) Fe2O3
D) Fe3O4
Textbook 
Introductory Chemistry: Atoms First

Introductory Chemistry: Atoms First


Edition: 5th
Authors:
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maticsmatics
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7 years ago
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centromere Author
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7 years ago
I'll mark this solved, appreciate it!!!
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