20.5 pH and Strong Bases Flashcards
1
Q
What is the ionic product of water?
A
Kw - the ions in water (H+ and OH-) multiplied together
Kw=[H+(aq)] [OH-(aq)]
2
Q
Value of Kw at 298K?
A
1.00x10^-14 mol2dm-6
3
Q
Why is Kw important?
A
The value sets up the neutral point in the pH scale.
Kw controls the concentration of H+ and OH- ions in aqueous solutions.
