
Zinc and Copper Reaction Concepts
Interactive Video
•
Chemistry, Science, Mathematics
•
9th - 10th 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 percent yield given in the problem for the reaction involving zinc and copper sulfate?
85%
90%
95%
75%
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the balanced chemical equation for the reaction between zinc and copper sulfate?
Zn + CuSO4 → ZnSO4 + Cu
Zn + CuSO4 → Cu + ZnO
Zn + CuSO4 → Zn + CuSO4
Zn + CuSO4 → ZnO + CuSO4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the molar mass of zinc used in the calculation?
66.4 g/mol
63.5 g/mol
65.4 g/mol
64.5 g/mol
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many moles of zinc are calculated from 32.5 g of zinc?
0.4969 moles
0.4696 moles
0.4699 moles
0.4996 moles
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the mole ratio of zinc to copper in the reaction?
1:3
1:2
2:1
1:1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the molar mass of copper used to calculate the theoretical yield?
63.5 g/mol
65.4 g/mol
64.5 g/mol
66.4 g/mol
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the theoretical yield of copper in grams?
30.6 g
32.6 g
33.6 g
31.6 g
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