Asked by Maddy
Assume that the reaction was limited by the surface area of the nails, making Fe the limiting reactant. Based on the decrease in the mass of nails, calculate theoretical yield of copper.
2Fe+3CuCl2--->2FeCl2+3Cu
2Fe+3CuCl2--->2FeCl2+3Cu
Answers
Answered by
Maddy
Solid CuCl2 is 2.03g
Fe before reaction reaction 2.0072g
Decrease in nail mass 0.32239
Fe before reaction reaction 2.0072g
Decrease in nail mass 0.32239
Answered by
DrBob222
mass Fe used = 0.32239. Convert that to mols. mols Fe = g/atomic mass = ?
Using the coefficients in the balanced equation, convert mols Fe to mols Cu product. That's
?mols Fe x (3 mols Cu/2 mols Fe) - ?mols Fe x 3/2 = ?
Then convert mols Cu formed to grams. g Cu = mols Cu x atomic mass Cu. This is the theoretical yield.
Using the coefficients in the balanced equation, convert mols Fe to mols Cu product. That's
?mols Fe x (3 mols Cu/2 mols Fe) - ?mols Fe x 3/2 = ?
Then convert mols Cu formed to grams. g Cu = mols Cu x atomic mass Cu. This is the theoretical yield.
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