Chapter 18 Flashcards
1
Q
What is Kw?
A
Kw=[H+][0H-]
2
Q
What’s the pH?
A
pH=-log10[H+]
3
Q
What is a strong acid?
A
A good proton donor
4
Q
What is a weak acid?
A
A poor proton donor
5
Q
What is the acid dissociation constant?
A
Ka=[H+][A-]
———
[HA]
6
Q
How do you know an acid is a weak acid?
A
If the value of Ka is less than
-2
10
7
Q
Titrating and strong acid against a strong base
A
Strong Acid:HCl Strong Base: NaOH Starts:1 Jump:3-10 Indicator: Litmus, Methyl Orange, Phenolphthalein
8
Q
Titrating a strong acid against a weak base
A
Acid: HCL Base: NH3 Starts:1 Jump:3-7 Indicator: Methyl Orange
9
Q
Titrating a weak acid against a strong base
A
Acid: CH3COOH Base:NaOH Start:3 Jump:7-11 Indicator: phenolphthalein
