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Copy of Percent Comp Practice (5/28/2026)
By Jason Poe
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Last updated 20 days ago
28 questions
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Question 1
1.
Question 2
2.
Question 3
3.
Question 4
4.
Question 5
5.
Question 6
6.
Question 7
7.
Question 8
8.
Question 9
9.
Question 10
10.
Question 11
11.
Question 12
12.
Question 13
13.
Question 14
14.
Question 15
15.
Question 16
16.
Question 17
17.
Question 18
18.
Question 19
19.
Find the percent composition of each element in the compound.
How much is Cu in CuBr
2
?
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Question 20
20.
Find the percent composition of each element in the compound.
How much is Br in CuBr
2
?
visibility
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Question 21
21.
Find the percent composition of each element in the compound.
How much is Na in NaOH?
visibility
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Question 22
22.
Find the percent composition of each element in the compound.
How much is O in NaOH?
visibility
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Question 23
23.
Find the percent composition of each element in the compound.
How much is H in NaOH?
visibility
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Question 24
24.
Find the percent composition of each element in the compound.
How much is N in (NH
4
)
2
S?
visibility
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Question 25
25.
Find the percent composition of each element in the compound.
How much is H in (NH
4
)
2
S?
visibility
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Question 26
26.
Find the percent composition of each element in the compound.
How much is S in (NH
4
)
2
S?
visibility
View drawing
Question 27
27.
Find the percent composition of each element in the compound.
How much is N in N
2
S
2
?
visibility
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Question 28
28.
Find the percent composition of each element in the compound.
How much is S in N
2
S
2
?
visibility
View drawing
