The complete balanced chemical reaction is:
<span>C7H16 + 3O2 --> 7CO2 + 8H2O</span>
So 3 moles of oxygen O2 is required for every 1 mole of C7H16. In the same manner, 3 molecules of O2 is required for every 1 molecule of C7H16.
Answer:
<span>3 molecules O2 </span>
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Step-by-step explanation: