Combustion analysis of an unknown compound provides the following data: 98.28 grams C, 16.21 grams H, and 65.52 grams O. What is the percent composition of carbon in this compound?

6.06% C

54.6% C

33.3% C

36.4% C

Question

Combustion analysis of an unknown compound provides the following data: 98.28 grams C, 16.21 grams H, and 65.52 grams O. What is the percent composition of carbon in this compound?
		
6.06% C
		
54.6% C
		
33.3% C
		
36.4% C

faolan · Answer

Anyone? pls... I don't get what to do

anonymous · Answer

Convert each mass to moles. Then you will be on the right track.

jfraser · Answer

since it gives you the masses of each element in the compound, the percent carbon is simply the mass of carbon over the mass of the entire compound

faolan · Answer

I got 54.6%. Is it right?

jfraser · Answer

that's what I got