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In the reaction _Al+3O2→2Al2O3, what coefficient should be placed in front of the Al to balance the reaction?
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5 votes
In the reaction _Al+3O2→2Al2O3, what coefficient should be placed in front of the Al to balance the reaction?

User Edicarlos Lopes
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2 Answers

4 votes

Answer:

JUST INCASE YALL NEED VERIFICATION even though the other guys IS 5 STARS but hes right its 4

Step-by-step explanation:

User Alexander Anikin
by
6.1k points
4 votes

Answer:

4

Step-by-step explanation:

4Al + 3O2 → 2Al2O3

Because aluminum occurs twice in every molecule:

Al2O3

This reaction produces two molecules of aluminum oxide:

2Al2O3

2 per molecule * 2 per chemical reaction = 4

User John Hatton
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