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marta [7]
2 years ago
5

How many moles of hydrogen are needed to produce 8 moles of methane CH4? C + H2-> CH4

Chemistry
1 answer:
Lapatulllka [165]2 years ago
7 0

Answer:

20 mol H₂

General Formulas and Concepts:

<u>Chem</u>

  • Stoichiometry

Explanation:

<u>Step 1: Define</u>

RxN: C + H₂ → CH₄

8 moles CH₄

<u>Step 2: Balance RxN</u>

C + 2H₂ → CH₄

<u />

<u>Step 3: Stoichiometry</u>

8 \ mol \ CH_4(\frac{2 \ mol \ H_2}{1 \ mol \ CH_4} ) = 16 mol H₂

<u>Step 4: Check</u>

<em>We are given 1 sig fig. Follow sig fig rules.</em>

16 mol H₂ ≈ 20 mol H₂

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