In the Reaction, 2CO(g)+)2(g)-> 2 CO2(g)   a. How many moles of carbon monoxide react with 3.0 moles of O2? b. How many moles of carbon dioxide are produced from 3.0 moles of O2?

Chemistry & Chemical Reactivity
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Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
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Chapter4: Stoichiometry: Quantitative Information About Chemical Reactions
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In the Reaction, 2CO(g)+)2(g)-> 2 CO2(g)  

a. How many moles of carbon monoxide react with 3.0 moles of O2?

b. How many moles of carbon dioxide are produced from 3.0 moles of O2?

Expert Solution
Step 1

The balanced reaction can be written as 

2CO + O2 ----> 2CO2 

The reaction which you have written is incorrect.

1 ) Since we can see that the coefficients of CO is 2 and O2 is 1.
Hence we can say that the 2 moles of CO will react with 1 mole of O2 

Hence 3 moles of O2 will react with 3 X 2 = 6 moles of CO.

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