pH And pH Scale Flashcards
1
Q
How do you find pH from [H+]? Or [H+] from pH?
A
pH = -log[H+]
[H+] = 10^-pH
2
Q
What is the pH scale?
A
The pH scale is a log scale, each number represents more (or less) H+ by a factor of 10
3
Q
What does Kw vary with?
A
Kw varies with temperature.
Only 1x10^-14 at 25 degrees C.
At a higher temperature Kw will increase and POE will shift to the right.
