3.1.12 acids and bases Flashcards
1
Q
define acid
A
proton donor
2
Q
define base
A
proton acceptor
3
Q
define strong acid
A
fully ionises/dissociates in solution
4
Q
define weak acid
A
partially ionises/dissociates in solution
5
Q
what is the equation for PH?
A
ph = - log[H+]
6
Q
how do you find the [H+] if you know the ph?
A
[H+] = 10^-ph
7
Q
what is the equation for the acid dissociation constant in weak acids?
A
ka = [H+][A-] / [HA]
8
Q
what is [H+][A-] the same as?
A
[H+]^2
