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) yields 2CO2 (g)

10.0 L

7.5 L

5.0 L

2.5 L

Question

10 August, 18:20

+5

Answers (2)

Know the Answer?

Shamar Cantu · Answer 1

V (O₂) : V (CO₂) = 1 : 2

x (O₂) : 5 L (CO₅)

x=5*1/2=2.5 L

Kimberly Watts · Answer 2

Answer: 2.5 L, use your dimensional analysis

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) yields 2CO2 (g)10.0 L7.5 L5.0 L2.5 L