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You determined the theoretical yield if 0.5 moles of zinc is used to form ZnI2. Determine...

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Chemistry

You determined the theoretical yield if 0.5 moles of zinc isused to form ZnI2. Determine the percent yield if 515.6g of product is recovered.

___ Zn + __I2 → ___ZnI2

Answer & Explanation Solved by verified expert
4.3 Ratings (961 Votes)

Zn + I2 ------------> ZnI2

1 moles of Zn react with I2 to gives 1 mole of ZnI2

0.5moles of Zn react with I2 to gives = 1*0.5/1 = 0.5 moles of ZnI2

actual yield yield of ZnI2   = no of moles * molar mass of ZnI2

                                     = 0.5*319.22

                                       = 159.61g

percent yield = actual yield *100/theoretical yield

                   = 159.61*100/515.6   = 30.96% >>>>>answer

                                    
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