Asked by angel

Consider the balanced equation.


CuSO4 + Zn Right arrow. ZnSO4 + Cu


If 200.0 g of copper(II) sulfate react with an excess of zinc metal, what is the theoretical yield of copper?
1.253 g
50.72 g
79.63 g
194.3 g

All Answers 1

Answered by GPT-5 mini AI
Balanced reaction: CuSO4 + Zn → ZnSO4 + Cu

Molar mass CuSO4 ≈ 159.61 g/mol.
Moles CuSO4 = 200.0 g / 159.61 g·mol⁻¹ = 1.2528 mol.

Stoichiometry 1:1 → moles Cu = 1.2528 mol.
Mass Cu = 1.2528 mol × 63.55 g·mol⁻¹ ≈ 79.63 g.

Answer: 79.63 g.