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2C2H6 + 7O2 ---> 4CO2 + 6H20

How many moles of O2 are needed to completely react with 4.50 moles of C2H6 according to the above equation?

a. 5.8 moles
b. 3.11 moles**
c. 1.29 moles
d. 63.0 moles

I think it's be but aren't 100% sure. Thank you!

1 answer

7/2 * 4.5 = 15.75

I suspect a typo somewhere

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