Question

In the reaction 2co(g) + o2(g) â 2co2(g), what is the ratio of moles of oxygen used to moles of co2 produced? select one:

Answer 1

2CO(g) + 1O2(g) ---> 2CO2(g)
2 mol CO 1 mol O2 2 mol CO2

1 mole O2 to 2 moles CO2, or
1 mole O2 : 2 moles CO2.