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Biology, 11.05.2021 17:00 saltytaetae

A compound has a molar mass of 28 g/mol. It is composed of 43% C and 57% O by mass. The atomic weights of carbon and oxygen are 12 and 16 amu, respectively.
What is the molecular formula for this compound?

A CO

B. CO2

C. Coz

D. C20

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