M6 Topic 2 Using Bronsted-Lowry Theory Part 2 Flashcards

1
Q

what are amphiprotic substances

A

substances that can donate and accept electrons

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

list an amphiprotic substance

A

Water (H₂O)

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

what is an example of water acting as a base

A

H2O(l) + HCl(aq) → H3O⁺(aq) + Cl⁻(aq)

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

what is an example of water acting as a acid

A

H2O(aq) + NH3(aq) → NH4⁺(aq) + OH⁻(aq)

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

what is the general composition of a neutral solution

A

equal amounts of [H3O⁺] ,[OH⁻]

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

what is the general composition of a acidic solution (2)

A
  • higher [H3O⁺] concentration

- Lower [OH⁻] concentration

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

what is the general composition of a basic solution (2)

A
  • Lower H3O⁺ concentration

- Higher OH⁻ concentration

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

what does each value in a periodic table mean (3)

A
  • 7 = neutral solution
  • < 7 = acidic solution
  • > 7 = Basic solution
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

how do you calculate pH (2)

A
  • find the concentration of H⁺ (H3O⁺)

- pH = - log [H⁺] ([ ] means concentration)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

How do you calculate concentration from pH

A

[H⁺] = 10⁻ᵖᴴ

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

how do you calculate pOH (2)

A
  • find the concentration of OH⁻

- pOH = - log [OH⁻] ([ ] means concentration)

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

How do you calculate concentration from pOH

A

[OH⁻] = 10⁻ᵖᴼᴴ

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

what is the relation between pH and pOH

A

pH + pOH = 14

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