Question

What is the percent yield below if 3.12 grams of Fe is recovered from areaction whose theoretical yield of Fe is 4.51 grams?Fe2O3 + 3 CO —> 2 Fe + 3 CO2

Answer 1

The percentage yield of Fe is 69.18%

Hello

To solve this question, we have to find the theoritical yield of the reaction from the equation of reaction and using the information to calculate the percentage yield with the given actual yield.

Theoritical Yield

The theoritical yield is given already in the question as 4.51g

Percentage Yield

This is the ratio between the actual yield to the theoritical yield multiplied by 100

Mathematically;

`\begin{gathered} \text{percentage yield }=\frac{actual\text{ yield}}{theoritical\text{ yield }}*100 \\ \end{gathered}`

Data;

Actual Yield = 3.12g

Theoritical Yield = 4.51g

Percentage Yield = ?

Substitute the values into the equaton above and solve.

`\begin{gathered} \text{percentage yield}=(3.12)/(4.51)*100 \\ \text{percentage yield }=69.18\text{ \%} \end{gathered}`

The percentage yield of Fe in the reaction is 69.18%