Asked by Kathy R

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%
Answered by DrBob222
%anything =(mass component/total mass)*100 = ??
Answered by Kathy R
37.5 right
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