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  • 14-11-2020
  • Chemistry
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How many moles of Cu do you need to react with 12 moles of O2?
2Cu(s) + O2(g) 2CuO(s)

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Space
Space Space
  • 14-11-2020

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.

Answer Link

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