pH and pOH Calculations Worksheet
A Grade 10 Chemistry worksheet focusing on pH and pOH calculations, including strong acids and bases.
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pH and pOH Calculations Worksheet
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Read each question carefully and provide the best answer. Show all your work for calculations.
Refer to the pH scale below for questions regarding acidity and basicity.
1. The pH scale ranges from 0 to 14, where values below 7 are , values above 7 are , and a value of 7 is .
2. The concentration of hydrogen ions is inversely proportional to the of the solution.
3. The sum of pH and pOH for any aqueous solution at 25°C is always equal to .
1. If the [H+] concentration of a solution is 1 x 10⁻⁵ M, what is its pH?
3
5
9
10
2. A solution has a pOH of 2. What is its pH?
2
7
12
14
1. Calculate the pH and pOH of a 0.001 M HCl solution. (HCl is a strong acid)
2. A solution has a hydroxide ion concentration, [OH-], of 1 x 10⁻⁴ M. Calculate the pOH and pH of this solution.
3. What is the [H+] concentration of a solution with a pH of 8?
1. A solution with a pH of 3 is more acidic than a solution with a pH of 5.
True
False
2. Strong bases have a low pOH value.
True
False