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Title: A 4.000 g sample of a certain cobalt oxide contains 2.937 g of cobalt. The empirical formula is ... Post by: cynthiaa on Jan 28, 2017 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 Title: Re: A 4.000 g sample of a certain cobalt oxide contains 2.937 g of cobalt. The empirical formula is ... Post by: soleil on Jan 28, 2017 Content hidden
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