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cynthiaa cynthiaa
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7 years ago
A 4.000 g sample of a certain cobalt oxide contains 2.937 g of cobalt. The empirical formula is ________.
A) CoO
B) CoO2
C) Co2O
D) Co3O4
Textbook 
Introductory Chemistry: Atoms First

Introductory Chemistry: Atoms First


Edition: 5th
Authors:
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soleilsoleil
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7 years ago
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