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Percent Yield Calculation Quiz

Percent Yield Calculation Quiz

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Practice Problem

Hard

Created by

Nancy Jackson

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the initial mass of phosphorus used in the reaction?

117 g

714 g

1.02 * 10^3 g

239.70 g

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the percent yield compare in a chemical reaction?

Mass and volume

Reactants and products

Temperature and pressure

Actual yield and theoretical yield

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in calculating the theoretical yield?

Balancing the chemical equation

Measuring the actual yield

Calculating the molar mass

Determining the limiting reactant

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many moles of phosphorus are needed to react with bromine in the balanced equation?

2 moles

3 moles

1 mole

4 moles

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the molar mass of phosphorus tribromide (PBr3)?

270.67 g/mol

123.88 g/mol

239.70 g/mol

79.9 g/mol

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the theoretical yield of phosphorus tribromide calculated in the video?

239.70 g

117 g

1.02 * 10^3 g

714 g

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the percent yield calculated?

Actual yield divided by theoretical yield, multiplied by 100

Theoretical yield divided by actual yield, multiplied by 100

Theoretical yield minus actual yield

Actual yield plus theoretical yield

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