Buffet Action Flashcards
1
Q
Buffers do what when small amounts of acid or alkali are added
A
Resist changes in ph
2
Q
An acidic buffer is made up of
A
Weak acid and one of its salts
3
Q
A basic buffer is made up of
A
A weak base and one of its salts
4
Q
Steps to calculate ph of buffer
A
1) write out ka
2) re arrange to get [H+]
3) assume conc of salt is same as conc of coo- part
4) -log10
5) pH