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Chemistry 6 Online
OpenStudy (anonymous):

CO2 is the empirical formula for the molecular formula A. C6O18. B. C3O12. C. C5O10. D. C12O6. E. C2O2.

OpenStudy (chmvijay):

C. C5O10.

OpenStudy (jfraser):

empirical formulas and molecular formulas always have to have the same ratio of pieces. In this case, 1C and 2O's.

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