How Many Liters of Oxygen Are Needed to Exactly React

question 169

Multiple Choice

How many liters of oxygen are needed to exactly react with 27.8 g of methane at STP?
CH₄(g) + 2 O₂(g) → CO₂(g) + 2 H₂O(l)

• A)19.5 L
• B)39.0 L
• C)77.6 L
• D)85.0 L

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