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

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

___ Zn + __I₂ → ___ZnI₂

Expert Solution

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

queen_honey_blossom answered 9 months ago

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