Answer:
The answer to your question is 3
Explanation:
Chemical reaction
AlBr₃ + K₂SO₄ ⇒ KBr + Al₂(SO₄)₃
Reactants Elements Products
1 Aluminum 2
3 Bromine 1
1 Sulfur 3
2 Potassium 1
4 Oxygen 12
Balanced chemical reaction
2AlBr₃ + 3K₂SO₄ ⇒ 6KBr + Al₂(SO₄)₃
Reactants Elements Products
2 Aluminum 2
6 Bromine 6
3 Sulfur 3
6 Potassium 6
12 Oxygen 12
The coefficient for K₂SO₄ will be 3
