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What is the percent by mass of oxygen in carbon dioxide (CO2)? total mass of elementin compound Use %Element - total molar mass of compound -- x 100
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What is the percent by mass of oxygen in carbon dioxide (CO2)?

total mass of elementin compound
Use %Element - total
molar mass of compound
-- x 100

User Chyoo CHENG
by
5.5k points

1 Answer

6 votes

Answer: A - 27.29%

Step-by-step explanation:

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User Sharath
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