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WorksheetspH Calculations Quiz Review
Total questions: 24
Worksheet time: 12mins
For a solution, pH + pOH =
7
14
1.0 x 10-14
-log (1.0 x 10 -14)
If the pH of a solution is 4.0, what is the pOH?
4.0
10.0
1.0 x 10 -4
cannot be determined from the information
The pH of a solution is 8.43. What is the [H3O+]concentration?
3.7 x 10 -9
1.0 x 10-8.43
2.7 x 10-6
1.0 x 10-14
If the [H3O+] of a solution is 1 x 10-3 M, the pH is
11
-3
3
1
For a solution, pH + pOH =
7
14
1.0 x 10-14
-log (1.0 x 10 -14)
If the pH of a solution is 4.0, what is the pOH?
4.0
10.0
1.0 x 10 -4
cannot be determined from the information
The pH of a solution is 8.43. What is the [H3O+]concentration?
3.7 x 10 -9
1.0 x 10-8.43
2.7 x 10-6
1.0 x 10-14
If the [H3O+] of a solution is 1 x 10-3 M, the pH is
11
-3
3
1
If the pH of a solution is 8 the [H3O+] is
1.0 x 106 M
8.0 x 101 M
1.0 x 108 M
1.0 x 10-8 M
If the [OH-] of a solution is 2.7 x 10-4 M, the pOH of the solution is
10.44
1.00
3.57
-4.43
If the [H3O+] of a solution is 6.8 x 10-8 M, the pH is
7.17
3.2 x 10-5
7.2
7.62
If the [H3O+] of a solution is 9.3 x 10-3 M, the pOH of the solution will be
2.03
1.02
11.97
12.98
If a solution has a pOH of 3.7 the [OH-] of the solution is
5.0 x 10-11
2.0 x 10-4
10.3
14
Oranges have a [H3O+] of 1.7 x 10-2 M. Their pOH is
1.77
12.23
10.91
3.09
Ammonia has a pOH of 2. Ammonia is a(n) __________.
acid
base
neutral
metal
Find the pH of a solution with [OH-] = 8.41 x 10-4.
3.08
10.92
9.88
11.23
What is the pOH of a solution with [H+] = 1.24 x 10 -2?
1.91
1.61
12.09
12.39
What is the pH of a solution that has a [H+] of 2.5 x 10-5?
4.60
2.5
5.0
7
What is the [H+] if the pH is 4.0?
1.0 x 10-10 M
1.0 x 10-14 M
1.0 x 10-4 M
1.0 x 10-7 M
What is the pOH of a solution where the [OH-] is 7.3 x 10-2 M?
-1.14
1.14
2.01
11.99
What is the [OH-] if the [H+] is 1.0 x 10-3M?
1.0 x 10-3 M
1.0 x 10-14 M
6.02 x 10-23 M
1.0 x 10-11 M
What is the [OH-] if the pH is 4.9?
4.9 x 10-10 M
1.0 x 10-4 M
1.25 x 10-5 M
7.94 x 10-10 M
A 1.0 x 10-4 M solution of HNO3 has a [H+] concentration of: (Notice HNO3 has one H+.)
1.0 x 10-14
log 1.0 x 10-4
1.0 x 10-10
1.0 x 10-4
A solution of KOH is 2.5 x 10-5 M. What is the [H+] concentration? (Hint: Find pOH, then pH, then [H+].)
4.60
9.40
3.98 x 10-10
1.0 x 10-4.60
