PH And Indicators Flashcards
1
Q
Ionic product of water
A
Kw = [H+][OH-]
2
Q
pH
A
-log10[H+] where the square brackets indicate concentration in moles per litre
3
Q
The pH of a solution
A
Is the negative logarithm to the base 10 of the hydrogen ion concentration measuees in moles per litre
4
Q
Strong acid
A
Good proton donor
5
Q
Week acid
A
Poor proton donor
6
Q
Ka
A
Ka= [H+][A-] ÷ [HA]
7
Q
Strong base
A
Good proton acceptor
8
Q
Weak base
A
Poor proton acceptor
9
Q
Acid-Base indicator
A
Is a substance that changes colour according to the PH of the solution in which it is placed
10
Q
The range of an idicator
A
The pH interval over which there is a clear change of colour of that indicator
