Respuesta :

Space

Answer:

24 mol Cu

General Formulas and Concepts:

Chemistry

  • Stoichiometry

Explanation:

Step 1: Define

RxN: 2Cu (s) + O₂ (g) → 2CuO (s)

Given: 12 moles O₂

Step 2: Stoichiometry

[tex]12 \ mol \ O_2(\frac{2 \ mol \ Cu}{1 \ mol \ O_2} )[/tex] = 24 mol Cu

Step 3: Check

We are given 2 sig figs.

Our final answer is in 2 sig figs, so no need to round.

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