9 Questions
What is the pH of a solution when [H₃O⁺] = [OH⁻]?
Exactly 7
What is the relationship between Kw and the concentrations of H₃O⁺ and OH⁻ ions?
Kw = [H₃O⁺] × [OH⁻]
What is the pH of a solution when [H₃O⁺] = 1 × 10⁻⁵ M?
5
What is the pOH of a solution when [OH⁻] = 1 × 10⁻⁸ M?
8
What is the pH range for the indicator Methyl Orange?
3-5
What is the pH range for the indicator Phenolphthalein?
8-10
What is the pH of a solution when the hydrogen ion concentration is 1 × 10⁻⁹ M?
9
At what temperature is the dissociation constant of water (Kw) equal to 1 × 10⁻¹⁴?
298K
What is the relationship between the concentrations of H₃O⁺ and OH⁻ ions in pure water?
[H₃O⁺] = [OH⁻]
Understand the pH scale, its limitations, and the self-ionization of water. Learn how to calculate pH and Kw, and the equilibrium reaction of water with itself.
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