Percent Yield and Limiting Reagent

Theoretical yield = 73g
Actual yield = 62g
Calculate the percent yield.

• 16%

• 116%

• 85%

• 76%

Tags

NGSS.HS-PS1-7

You need 2 pieces of bread, 1 tablespoon of peanut butter and 2 tablespoons of starwberry jelly to make a sandwich. If you have 10 pieces of bread, 4 tablespoons of peanut butter and 15 tablespoons of jelly, what is the limiting reactant?

• bread

• strawberry jelly

• peanut butter

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Explain the concept of limiting reagent in relation to percent yield calculations.

• Percent yield is determined by the excess reagent

• Limiting reagent is used to calculate the volume of the product

• The limiting reagent is crucial in determining the maximum amount of product that can be obtained and is used to calculate the percent yield.

• The limiting reagent is always the most abundant reactant

What is the formula for calculating percent yield?

• (Actual Yield / Theoretical Yield) x 100%

• (Actual Yield - Theoretical Yield) x 100%

• (Theoretical Yield / Actual Yield) x 100%

• (Actual Yield + Theoretical Yield) x 100%

Calculate the percent yield if the theoretical yield is 50g and the actual yield is 40g.

• 80%

• 75%

• 90%

• 60%

Provide an example of an application of percent yield in real life.

• Pharmaceutical manufacturing

• Building a house

• Baking a cake

• Fishing industry

If the theoretical yield of a reaction is 100g and the actual yield is 80g, what is the percent yield?

• 110%

• 80%

• 90%

• 75%

Why is it important to calculate percent yield in chemistry experiments?

• Percent yield calculation is irrelevant in chemistry experiments

• Percent yield calculation helps evaluate the efficiency of a reaction, identify errors, and improve future experiments.

• It is unnecessary to assess the efficiency of a reaction

• Errors in experiments do not impact future outcomes

If the theoretical yield of a reaction is 75g and the actual yield is 60g, what is the percent yield?

• 65%

• 55%

• 90%

• 80%

Discuss the significance of percent yield in the pharmaceutical industry.

• Percent yield is used to determine the color of pharmaceutical products

• Percent yield is irrelevant in the pharmaceutical industry

• Percent yield is only important for cosmetic reasons in pharmaceuticals

• Percent yield is essential in the pharmaceutical industry to assess reaction efficiency, product quality, and cost-effectiveness.