Question

If 5.0 moles of CO 2 are produced, how many moles of O 2 reacted? NEED ANSWER PLEASE

Answer 1

The reaction that forms CO2 is as follows:
C(s) + O2(g) --> CO2(g)
This means that O2 is consumed and CO2 is produced in a 1:1 ratio. If we consume 5mol O2, then we produce 5mol CO2.