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A 25.0-gram sample of magnesium oxide contains 10.8 grams of magnesium. what is the percent of oxygen by mass in this compound?

A 25.0-gram sample of magnesium oxide contains 10.8 grams of magnesium. what is the percent of oxygen by mass in this compound?
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1 vote
a 25.0-gram sample of magnesium oxide contains 10.8 grams of magnesium. what is the percent of oxygen by mass in this compound?

asked
User Ganesh Kaspate
by
7.7k points

1 Answer

6 votes

Answer:56.8%

Explanation:

answered
User Reza Behzadpour
by
8.6k points
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