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Questions and Answers
What is the pH of a solution when [H₃O⁺] = [OH⁻]?
What is the pH of a solution when [H₃O⁺] = [OH⁻]?
- Exactly 10
- Exactly 14
- Exactly 7 (correct)
- Exactly 4
What is the relationship between Kw and the concentrations of H₃O⁺ and OH⁻ ions?
What is the relationship between Kw and the concentrations of H₃O⁺ and OH⁻ ions?
- Kw = [H₃O⁺] × [OH⁻] (correct)
- Kw = [H₃O⁺] + [OH⁻]
- Kw = [H₃O⁺] - [OH⁻]
- Kw = [H₃O⁺] / [OH⁻]
What is the pH of a solution when [H₃O⁺] = 1 × 10⁻⁵ M?
What is the pH of a solution when [H₃O⁺] = 1 × 10⁻⁵ M?
- 9
- 7
- 5 (correct)
- 11
What is the pOH of a solution when [OH⁻] = 1 × 10⁻⁸ M?
What is the pOH of a solution when [OH⁻] = 1 × 10⁻⁸ M?
What is the pH range for the indicator Methyl Orange?
What is the pH range for the indicator Methyl Orange?
What is the pH range for the indicator Phenolphthalein?
What is the pH range for the indicator Phenolphthalein?
What is the pH of a solution when the hydrogen ion concentration is 1 × 10⁻⁹ M?
What is the pH of a solution when the hydrogen ion concentration is 1 × 10⁻⁹ M?
At what temperature is the dissociation constant of water (Kw) equal to 1 × 10⁻¹⁴?
At what temperature is the dissociation constant of water (Kw) equal to 1 × 10⁻¹⁴?
What is the relationship between the concentrations of H₃O⁺ and OH⁻ ions in pure water?
What is the relationship between the concentrations of H₃O⁺ and OH⁻ ions in pure water?
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