pH and pOH Flashcards
1
Q
How is pH defined?
A
-log[H3O^+]
2
Q
How is pOH defined?
A
-log[OH^-]
3
Q
In something acidic, what is [H3O^+]?
A
> 1 x 10^-7 M
4
Q
In something basic, what is [H3O^+]?
A
< 1 x 10^-7 M
5
Q
In something neutral, what is [H3O^+]?
A
1 x 10^-7 M
6
Q
In something acidic, what is [OH^-]?
A
< 1 x 10^-7 M
7
Q
In something basic, what is [OH^-]?
A
> 1 x 10^-7 M
8
Q
In something neutral, what is [OH^-]?
A
1 x 10^-7 M
9
Q
Does pH > 7 mean basic, acidic, or neutral?
A
Basic
10
Q
Does pH = 7 mean basic, acidic, or neutral?
A
Neutral
11
Q
Does pH < 7 mean basic, acidic, or neutral?
A
Acidic
12
Q
Does pOH < 7 mean basic, acidic, or neutral?
A
Basic
13
Q
Does pOH > 7 mean basic, acidic, or neutral?
A
Acidic
14
Q
Does pOH = 7 mean basic, acidic, or neutral?
A
Neutral
15
Q
What is the formula to calculate the pH of a strong acid HA?
A
pH = -log([HA]initial)
