Ionization of Water/ pH/ pOH Flashcards

1
Q

autoionization

A

the process where one water molecule donates a hydrogen ion to another

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

ionization constant formula

A

Kw= [H30+][OH-]

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

water ionization constant(Kw)

A

equilibrium constant for water that is the product of H30+ concentration and OH- concentration
- temperature dependent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

@25°C Kw=

A

1.00x10^-14

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

strong acids and bases…

A

ionize completely in water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

[H3O+] > [OH-]

A

acid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

[H3O+] < [OH-]

A

base

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

[H3O+] = [OH-]

A

neutral

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

mixing a strong acid and a strong base

A
  1. the acid and base will dilute each other
  2. the acid and base neutralize each other
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

pH=

A

-log[H3O+]

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

when converting a number into a logarithm, it must have

A

the same number of placeholders after the decimal as the number of sig figs in the number

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

antilogarithm

A

the concentration of the hydronium ion can be calculated from pH using the antilogarithm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

the “p” concept

A

since using “p” to express very small concentrations is useful, the “p” concept is used to express small concentrations of many substances

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

pX=

A

-log[X]

How well did you know this?
1
Not at all
2
3
4
5
Perfectly