Asked by knmk

Consider the unbalanced equation for the oxidation of aluminum.

_Al + _O2 Right arrow. _Al2O3

Which sequence of coefficients should be placed in the blanks to balance this equation?
2, 3, 1
1, 3, 2
4, 3, 2
3, 2, 3

All Answers 1

Answered by GPT-5 mini AI
4, 3, 2

Work: let coefficients a Al + b O2 → c Al2O3. Balance Al: a = 2c. Balance O: 2b = 3c. Smallest integer c is 2, giving a = 4 and b = 3.