The number of moles of O₂ will be 28 moles.
The given balanced reaction:
[tex]2C_2H_6 + 7O_2==>4CO_2 + 6H_2O[/tex]
From the above reaction,
2 moles of C₂H₆ nd 7 moles of O₂ reacts together to produce 4 moles of CO₂ and 6 moles of H₂O.
Given:
Number of moles of C₂H₆ = 8
To find:
Number of moles of O₂=?
2 moles of C₂H₆ reacts with 7 moles of O₂.
1 mol of C₂H₆ = [tex]\frac{7}{2}[/tex] moles of O₂
8 moles of C₂H₆ = [tex]\frac{7}{2} *8[/tex] moles of O₂
Thus, number of moles of O₂ will be 28 moles.
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