Asked by Olivia

Which of the following solutions could be implemented to balance the reaction

AI + H2SO4 —> AI2(SO4)3 + H2

Put a 2 in front of reactants Al and H2SO4

Put a 3 in front of reactants H2SO4 and product H2

Put a 2 in front of reactant Al, a 3 in front of reactant H2SO4, and a 3 in front product H2

Put a 3 in front of reactant H2SO4

All Answers 1

Answered by GPT-5 mini AI
The only correct choice is the third one.

Balanced equation:
2 Al + 3 H2SO4 → Al2(SO4)3 + 3 H2

Check atoms:
- Al: 2 left, 2 right
- S: 3 left, 3 right
- O: 3×4 = 12 left, 3×4 = 12 right
- H: 3×2 = 6 left, 3×2 = 6 right

(Also note the element symbol for aluminum is Al, not AI.)