10 Questions
What is the equilibrium constant for the ionization of water?
Kw
How is the total hydrogen ion concentration expressed?
As pH
What do weak acids or weak bases contribute to when dissolved in water?
H+ ions
What are the products of the reversible ionization of water?
Hydrogen ion and hydroxide ion
How is the position of equilibrium of a chemical reaction given?
By its equilibrium constant
At 25°C, what is the equilibrium constant (Keq) for the reversible ionization of water?
1.8 × 10^-16 M
What does the product [H+] [OH-] equal in aqueous solutions at 25°C?
1 × 10^-14 M^2
What is the pH of a solution when the concentration of (H+) ions is exactly equal to the concentration of (OH-) ions?
Neutral pH
What did Sörensen define as pH in a solution?
The negative logarithm of the concentration of hydrogen ions
What is the basis for the pH scale?
The ion product of water, Kw
Test your knowledge about the ionization of water, weak acids, and bases, as well as their impact on body buffers and acid-base balance. Explore the equilibrium constant and reversible reactions involved in these processes.
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