Answer:
The answer to your question is the letter C. 3
Step-by-step explanation:
Unbalanced chemical equation
Al + H₂SO₄ ⇒ Al₂(SO₄)₃ + H₂
Reactants Elements Products
1 Al 2
1 S 3
2 H 2
4 O 12
We need to balance this equation
Balanced chemical equation
2Al + 3H₂SO₄ ⇒ Al₂(SO₄)₃ + 3H₂
Reactants Elements Products
2 Al 2
3 S 3
6 H 6
12 O 12