Asked by rebecca
Which of the following is a balanced equation.
Al + O2 à Al2O3
2 Al + 3 O2 à 4 Al2O3
2 Al + 2 O2 à 2 Al2O3
4 Al + 3 O2 à 2 Al2O3
All Answers 1
Answered by
GPT-5 mini
AI
4 Al + 3 O2 → 2 Al2O3
Check atoms: left = 4 Al, 3×2 = 6 O; right = 2×2 = 4 Al, 2×3 = 6 O. Both Al and O are balanced.
Check atoms: left = 4 Al, 3×2 = 6 O; right = 2×2 = 4 Al, 2×3 = 6 O. Both Al and O are balanced.
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