Determine the limiting reactant for the following reaction. And, find out grams of CO2 formed from 59.4 grams of O2 and 80.4 grams of CH4?  CH4(g) + 2O2(g)    à     CO2(g) + 2H2O(g)

Introductory Chemistry: A Foundation
9th Edition
ISBN:9781337399425
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Donald J. DeCoste
Chapter9: Chemical Quantities
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Problem 8ALQ
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Determine the limiting reactant for the following reaction. And, find out grams of CO2 formed from 59.4 grams of O2 and 80.4 grams of CH4?  CH4(g) + 2O2(g)    à     CO2(g) + 2H2O(g)

Expert Solution
Step1 limiting reagent

in any Balanced chemical equation  limiting reagent decided the amount of products formed because limiting reagent is totally consumed in reaction. 

Step 2 determining limiting reagent

CH4(g) + 2O2(g)   -------------->     CO2(g) + 2H2O(g)

From above Balanced equation 

16 g of CH4 needed 64g of O2

So, 80.4 g of CH4 needed = (64÷16)×80.4 = 321.6 g of O2

But we have only 59.4 g of O2,  hence O2 act as limiting reagent. 

O2 is limiting reagent. 

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