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HELP. ME!!!!!!!!!!!!!!!

Which of the following compounds has the largest percent by mass of oxygen?
Select one:
a. CO2
b. C6H1206
с. СO
d. CH20

2 Answers

2 votes
It is CO2 because the oxygen compounds is 2 out of three.
User Antichris
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6.2k points
2 votes
A)CO2!! Hope this helps
User Inntran
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