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Copy of pH Calculations 2 (5/28/2026)
By Jason Poe
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pH = -log[H+]
[H+] = 10
-pH
pOH = 14 - pH
(this is reversible)
.
Question 1
1.
Calculate the pH of a 0.1 M hydrochloric acid (HCl) solution and determine the type of solution (acid, neutral, or alkaline)
pH = _______
Type of Solution = _______
Question 2
2.
Determine the pH of a 0.01 M sodium hydroxide (NaOH) solution. and determine the type of solution (acid, neutral, or alkaline)
pH = _______
Type of Solution = _______
Question 3
3.
Calculate the pH of a solution with a hydroxide ion concentration of
1.0 x 10
-9
M and determine the type of solution (acid, neutral, or alkaline)
pH = _______
Type of Solution = _______
Question 4
4.
Determine the pH of a solution with a hydroxide ion concentration of
1.5 x 10
-12
M. and determine the type of solution (acid, neutral, or alkaline)
pH = _______
Type of Solution = _______
Question 5
5.
A solution has a hydrogen ion concentration of 4
.45 x 10
-5
M. What is its pH?
pH = _______
Type of Solution _______
Question 6
6.
A solution has a pH of 2.4. What is its hydrogen ion concentration?
[H+] = _______
Question 7
7.
A solution has a hydroxide ion concentration of
4.23 x 10
-3
M. What is its pH?
pH = _______
Type of solution = _______
Question 8
8.
A solution has a hydrogen ion concentration of
2.2 x 10
-3
M. What is its pH?
pH = _______
Type of solution = _______
Question 9
9.
Calculate the hydrogen ion concentration of a solution with a pH of 9.12.
H+ = _______
Question 10
10.
Calculate the hydrogen ion concentration of a solution with a pH of 11.1
H+ = _______
Question 11
11.
Calculate the hydrogen ion concentration of a solution with a pH of 0.1.
H+ = _______
Question 12
12.
A solution has a hydrogen ion concentration of
2.5 x 10
-8
M. Calculate its pH.
pH = _______
Type of solution = _______
Question 13
13.
Calculate the pH of a solution with a hydroxide ion concentration of
5.6 x 10
-12
M.
pH _______
Type of solution _______
Question 14
14.
A solution has a pH of 10.5. What is its hydrogen ion concentration?
[H+] = _______
Question 15
15.
Curveball - A solution has a pOH of 9.8, what is the pH?
pH _______
Type of solution _______