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Problem: In the reaction of 1.00 mole of O2 with 2.00 mole of H2, 2H2  + O2→ 2H2O If 30.0g of H2O is formed, what is the percent yield?a)  100%                  b)  88.9%              c)  50.0%              d)  167%                e)  83.3%

FREE Expert Solution

We’re being asked to calculate the percent yield of H2O. The balanced chemical equation is:


2 H2 + O2 → 2 H2O


Recall that percent yield is given by:


% Yield = actual yieldtheoretical yield × 100


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Problem Details

In the reaction of 1.00 mole of O2 with 2.00 mole of H2, 2H2  + O2→ 2H2O

 If 30.0g of H2O is formed, what is the percent yield?

a)  100%                  

b)  88.9%              

c)  50.0%              

d)  167%                

e)  83.3%

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