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Read the given chemical reaction.

C2H6 + O2 → CO2 + H2O

How many moles of O2 are required to react completely with 3.2 moles of C2H6? (5 points)

a
3.5 moles of O2

b
6.5 moles of O2

c
10.4 moles of O2

d
11.2 moles of O2

Sagot :

Answer:

The Correct answer is D, 11.2 Moles of o2

Explanation:

The number of moles of O₂ required to react completely with 3.2 moles of C₂H₆ is 11.2 moles. The correct option is d - 11.2 moles of O2

Stoichiometry

From the question, we are to determine the number of moles of O₂ required

First, we will balance the given chemical equation

The balanced chemical equation is

2C₂H₆ + 7O₂ → 4CO₂ + 6H₂O

This means 2 moles of C₂H₆ is required to react with 7 moles of O₂

Now,

If 2 moles of C₂H₆ is required to react with 7 moles of O₂

Then,

3.2 moles of C₂H₆ will react with x moles of O₂

x = [tex]\frac{7 \times 3.2}{2}[/tex]

x = 11.2 moles

Hence, the number of moles of O₂ required to react completely with 3.2 moles of C₂H₆ is 11.2 moles. The correct option is d - 11.2 moles of O2

Learn more on Stoichiometry here: https://brainly.com/question/24817060

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