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March 27, 2017

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If a sample of a compound of carbon and oxygen contains 3.00g of carbon and 8.00g of oxygen, what is the mass percent of carbon in the compound?
A. 27.3%
B. 25.0%
C. 37.5%
D. 3.67%
E. 2.67%

  • chemistry - ,

    %anything =(mass component/total mass)*100 = ??

  • chemistry - ,

    37.5 right

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