Need help with Chemistry question

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Just took a chem test, a question read as follows with the following answers."In the complete combustion of butane, what is the percent yield when 350.0 g CO2 is produced from the reaction of 4.00 moles of butane with 10 moles of O2"A) 84.6%B) 100%C) 71.8%D) 50.0 %E) 140%10 moles of O2 ends up limiting the butane, but you can't get an actual yield higher than your theoretical without error right? So I ended up putting D because it says "In the complete combustion of butane," which would be 350.0/704= 49.7. Someone please explain why I'm wrong, why I'm right, or if the question itself is flawed.

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(Top Tutor) Daniel C.
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School: Boston College
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