Question

How many moles of C6H12O6(s) are needed to produce 24 moles of carbon dioxide?

Answer 1

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$\huge\bold\pink{Answer}$

24 moles of CO2 means you need 24 moles of carbon from your reactant (you have one mole of carbon per mole of CO2).

You reactant (some sugar or other) has six carbons in the unit formula. This means that for every mole of that compound, you have 6 moles of carbon.

To figure how many moles of the reactant you need to make 24 moles of carbon, you just divide 24 moles by 6 moles.

So, you need to burn 4 moles of sugar to make 24 moles of CO2.