
Theoretical Yield and Limiting Reagents

Interactive Video
•
Chemistry, Science, Mathematics
•
9th - 12th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in solving a problem involving limiting reagents and percent yield?
Determine the theoretical yield
Calculate the percent yield
Convert masses to moles
Identify the limiting reagent
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to convert masses to moles in stoichiometric calculations?
To simplify the chemical equation
To compare substances with different molar masses
To avoid using stoichiometric coefficients
Because moles are easier to measure
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the molar mass of silicon used in the conversion process?
32.07 grams per mole
12.01 grams per mole
14.01 grams per mole
28.09 grams per mole
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you determine the limiting reagent in a chemical reaction?
By measuring the actual yield
By using stoichiometric coefficients to compare reactant quantities
By identifying the reactant with the smallest mass
By calculating the percent yield
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the given reaction, which reactant is the limiting reagent?
Both are limiting
Neither is limiting
Silicon
Nitrogen
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the theoretical yield of the product in grams?
2.89 grams
3.32 grams
4.00 grams
3.00 grams
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the theoretical yield calculated?
By using the stoichiometric coefficients and moles of the limiting reagent
By adding the masses of reactants
By dividing actual yield by percent yield
By measuring the product formed
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