High School

When NH\(_3\) is prepared from 28 g of N\(_2\) and excess H\(_2\), the theoretical yield of NH\(_3\) is 34 g. When this reaction is carried out in a given experiment, only 30 g is produced. What is the percentage yield?

Answer :

Answer: 88%

Explanation:

Percentage yield is the ratio of experimental to the theoretical yield in terms of percentage.

percentage yield = [tex]\frac{\text {Experimental yield}}{\text{Theoretical yield}}\times 100[/tex]

Given :

Experimental yield = 30 g

Theoretical yield = 34 g

percentage yield = [tex]\frac{30}{34}\times 100=88\%[/tex]

Therefore, the percentage yield of the reaction is 88%

To solve, you divide the produced (actual yield) by the theoretical. Finally multiply by 1 to find the percent.

[tex] \frac{30gNH3}{34gNH3} = .88[/tex]

[tex].88 * 100= 88[/tex]%

88% is the percent yield.