Percent Yield

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%

Tags

NGSS.HS-PS1-7

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

• 1.16%
• 116.24%

• 84.93%

• 76.78%

Tags

NGSS.HS-PS1-7

In a lab, a scientist calculate he should produce 12.3 grams of product in his experiment. When he is finished collecting his product it weighs 10.1 grams. What is his percent yield?

• 82.11%

• 0.82%
• 10.19 %

• 100%

Tags

NGSS.HS-PS1-7

What is the formula for percent yield?

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

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

Tags

NGSS.HS-PS1-7

We calculated that the theoretical yield should be 106 grams. Our actual yield was 103.6 grams. What is the percent yield?

• 90.46%

• 104.56%

• 96.15%

• 97.74%

Tags

NGSS.HS-PS1-7

The theoretical yield of a reaction is 237 grams, but the reaction actually yields 26 less grams than expected. What is the percent yield?

• 17.68%

• 82.42%

• 89.03%

• 121.37%

Tags

NGSS.HS-PS1-7

Which of the following reactions has the lowest percent yield?

• Theoretical yield 25.7 g; actual yield 23.2 g

• Theoretical yield 42.1 g; actual yield 39.9 g

• Theoretical yield 18.2 g; actual yield 15.6 g

• Theoretical yield 93.4 g; actual yield 87.9 g

Tags

NGSS.HS-PS1-7

What does percent yield indicate?

• The amount of product we should get
• The efficiency of the lab
• The amount of product we actually got
• nothing

If a chemist calculates the maximum amount of product that could be obtained from a chemical reaction, he or she is calculating the

• Theoretical yield

• Mole ratio

• Actual yield

• Percentage yield

Tags

NGSS.HS-PS1-6