Given the balanced equation: 2c4h10+13o2=8co2+10h2o How many moles of oxygen gas are required to react completely with 5.0 mall of butane, C4H10(g) A. 0.77 mol B. 33 mol C. 0.15 mol D. 6.5 mol

Option B. 33 mol

Explanation:

The balanced equation for the reaction is given below:

2C₄H₁₀ + 13O₂ —> 8CO₂ + 10H₂O

From the balanced equation above,

2 moles of C₄H₁₀ reacted with 13 moles of O₂.

Finally, we shall determine the number of mole of oxygen, O₂ required to react completely with 5 moles of butane, C₄H₁₀. This can be obtained as follow:

From the balanced equation above,

2 moles of C₄H₁₀ reacted with 13 moles of O₂.

Therefore, 5 moles of C₄H₁₀ will react with = (5 × 13)/2 = 33 moles of O₂.

Thus, 33 moles of oxygen, O₂ is needed for the reaction.

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