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Look at the displacement reaction in the experiment below. To balance this equation what number should go in front of copper in the products?

please help Look at the displacement reaction in the experiment below To balance this equation what number should go in front of copper in the products class=

Respuesta :

ciqarz

Answer:

3

Explanation:

Al + CuSO₄ → Al₂(SO₄)₃ + Cu

two aluminum atoms in products. put 2 in front of Al in reactants.

2 Al + CuSO₄ → Al₂(SO₄)₃ + Cu

three sulfur atoms and twelve oxygen atoms in products. put 3 in front of CuSO₄ in reactants.

2 Al + 3 CuSO₄ → Al₂(SO₄)₃ + Cu

three copper atoms in reactants. put 3 in front of Cu in products.

2 Al + 3 CuSO₄ → Al₂(SO₄)₃ + 3 Cu

The equation is balanced. Hope that helps.