
Answer:
The answer to your question is:
1.- CO
2.- 0.414 moles of CO2
Explanation:
Data
                2CO  + O2    ⇒   2CO2
CO = 0.414 moles
O2 = 0.418
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Process
theoretical ratio  CO/O2 = 2/1 = 1
experimental ratio  CO/O2 = 0.414/0.418 = 0.99
Then the limiting reactant is CO
2.-
          2 moles of CO ---------------  2 moles of CO2
          0.414 moles of CO ---------  x
          x = (0.414 x 2) / 2
          x = 0.414 moles of CO2
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