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Questions and Answers
What is the equilibrium constant for the ionization of water?
What is the equilibrium constant for the ionization of water?
- Keq
- Kb
- Ka
- Kw (correct)
How is the total hydrogen ion concentration expressed?
How is the total hydrogen ion concentration expressed?
- As [H2O]
- As pH (correct)
- As [OH-]
- As pOH
What do weak acids or weak bases contribute to when dissolved in water?
What do weak acids or weak bases contribute to when dissolved in water?
- Hydrogen peroxide
- H+ ions (correct)
- Sodium ions
- OH- ions
What are the products of the reversible ionization of water?
What are the products of the reversible ionization of water?
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How is the position of equilibrium of a chemical reaction given?
How is the position of equilibrium of a chemical reaction given?
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At 25°C, what is the equilibrium constant (Keq) for the reversible ionization of water?
At 25°C, what is the equilibrium constant (Keq) for the reversible ionization of water?
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What does the product [H+] [OH-] equal in aqueous solutions at 25°C?
What does the product [H+] [OH-] equal in aqueous solutions at 25°C?
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What is the pH of a solution when the concentration of (H+) ions is exactly equal to the concentration of (OH-) ions?
What is the pH of a solution when the concentration of (H+) ions is exactly equal to the concentration of (OH-) ions?
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What did Sörensen define as pH in a solution?
What did Sörensen define as pH in a solution?
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What is the basis for the pH scale?
What is the basis for the pH scale?
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