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If 5.0 liters of carbon dioxide gas are produced by the reaction below at STP, how many liters of oxygen gas were used in the reaction?

2CO (g) + O2 (g) 2CO2 (g)
10.0 L
7.5 L
5.0 L
2.5 L

User Mame
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1 Answer

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at STP

1L O₂ → 2L CO₂
xL O₂ → 5.0L CO₂

x=2.5 L
User Pensu
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