Limiting Reactants and Percent Yield

Quiz
•
Science
•
12th Grade
•
Hard
Standards-aligned
Lisa Thompson
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The limiting reactant
slows the reaction down
is used up first
is the reactant that is left over
controls the speed of the reaction
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Use the equation 2 Al + 3 Cl2 ---> 2 AlCl3. If 2 moles of aluminum and 2 moles of chlorine are reacted, identify the limiting reactant.
AlCl3
Cl2
Al
Tags
NGSS.HS-PS1-7
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Theoretical yield = 73g
Actual yield = 62g
Calculate the percent yield.
16%
116%
85%
76%
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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%
0.82%
10.1 %
100%
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
80%
90%
95%
100%
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When reacting Na with Cl2, we calculated that the theoretical yield should be 12.5 grams. Our actual yield was 13.0 grams. What is the percent yield?
100%
104%
96%
1.04
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the limiting reactant if 10 moles of NH3 react with 30.0 moles of NO? 4NH3 + 6NO ⟶ 5N2 + 6H2O
NH3
NO
N2
water
Tags
NGSS.HS-PS1-7
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