david987124438 david987124438

03-11-2020
Chemistry

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The mass of Carbon is 12 g/mol and the mass of oxygen is 16 g/mol. What is the approximate percent composition by mass of CO2 (formula mass = 44)?
20% carbon and 80% oxygen
23% carbon and 77% oxygen
25% carbon and 75% oxygen
27% carbon and 73% oxygen

Respuesta :

jonathann47 jonathann47

14-11-2020

Answer:

the last one

27% by 73%

Explanation:

12/44*100 for C

and

16/44*100 for O

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