Percent Yield

What is the formula for percent yield?

• $\frac{Actual}{Theoretical}\times100$
  

• $\frac{Theoretical}{Actual}\times100$
  

• $\frac{Actual\times Theoretical}{100}$

• $\frac{100}{Actual\times Theoretical}$

The ______________ yield is the maximum amount of product possible in a reaction. This determines the amount of product that should be produced in a perfect setting

• Percent
• actual
• stoichiometry
• theoretical

Which of the following do you get through measuring its mass? (No calculations)

• percent yield
• theoretical yield
• actual yield
• limiting reagent

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

• 1.16%
• 116%
• 85%
• 76%

If 5.2 grams of Mn(SO₄)₂ are actually formed in the lab, what is the percent yield?

The calculated number of grams for Mn(SO₄)₂ is 6.30 grams

• 37%

• 48%

• 53%

• 83%

When reacting Na with Cl₂, we calculated that the theoretical yield should be 13 grams. Our actual yield was 12.5 grams. What is the percent yield?

• 90.4%

• 104%

• 96.15%

• 1.04%

What is an excess reactant?

• Substance you end with

• Substance that determines the rate of reaction

• Substance that is not used up completely

• Substance that is used up completely

1. What is a limiting reagent?

• any reactant used up first in a reaction.
• any reactant left over at the end of a reaction.
• the maximum amount of product formed from a given amount of reactant.
• the purity of the reactant.

The ______________ yield is the maximum amount of product possible in a reaction. This determines the amount of product that should be produced in a perfect setting

• Percent
• actual
• stoichiometry
• theoretical