SOLUTION: What is the mass percent of carbon in carbon dioxide, CO2?

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Question 885418: What is the mass percent of carbon in carbon dioxide, CO2?
Found 2 solutions by CubeyThePenguin, josgarithmetic:
Answer by CubeyThePenguin(3113) About Me  (Show Source):
You can put this solution on YOUR website!
oxygen molar mass = 16 g/mol
carbon molar mass = 12 g/mol

mass percent of carbon = (2 * 12)/(2 * 12 + 16) = 60%

Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
amu, C 12.011
amu, O 15.999

Carbon dioxide formula weight,
12.011%2B2%2815.999%29
44.009

Its mass percent as carbon: %28%2812.011%29%2F44.009%29%2A100=highlight%2827.292%29percent