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What is the percent by mass of oxygen fe2o3 (formula mass= 160)?
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What is the percent by mass of oxygen fe2o3 (formula mass= 160)?

User Emmanuel John
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4 votes

Answer:

30%

Step-by-step explanation:

User Bruno Cunha
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5 votes
30% should be the percentage of oxygen if the total mass of fe2o3 is 160.
User Klayton Faria
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