Respuesta :

Space

Answer:

20 mol H₂

General Formulas and Concepts:

Chem

  • Stoichiometry

Explanation:

Step 1: Define

RxN: C + H₂ → CH₄

8 moles CH₄

Step 2: Balance RxN

C + 2H₂ → CH₄

Step 3: Stoichiometry

[tex]8 \ mol \ CH_4(\frac{2 \ mol \ H_2}{1 \ mol \ CH_4} )[/tex] = 16 mol H₂

Step 4: Check

We are given 1 sig fig. Follow sig fig rules.

16 mol H₂ ≈ 20 mol H₂

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