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A student measures out 5.0 g of magnesium and burns it. After the reaction, the student measures 7.9 g of magnesium oxide. How much oxygen must have been used in the reaction? (…

A student measures out 5.0 g of magnesium and burns it. After the reaction, the student measures 7.9 g of magnesium oxide. How much oxygen must have been used in the reaction? (…
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1 vote
A student measures out 5.0 g of magnesium and burns it. After the reaction, the student

measures 7.9 g of magnesium oxide. How much oxygen must have been used in the
reaction? (include the correct unit)
1

asked
User Parth Ghiya
by
8.0k points

1 Answer

4 votes

Answer:

The answer is 2.9. g

Step-by-step explanation:

7.9 - 5.0 = 2.9

I hope this helps!

answered
User Kevin Pandya
by
8.6k points
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