Buffers Flashcards
1
Q
what is a buffer solution
A
A buffer solution is one where the pH doesnt change significantly if small amounts of acid or alkali are added to it.
2
Q
how is an acidic buffer made
A
weak acid and a salt of that weak acid (made from reacting the weak acid with a strong base). Eg Ethanoic acid and Sodium ethanoate
3
Q
A
3
Q
how is a basic buffer made
A
a weak base and a salt of that weak base(made from reacting the weak base with a strong acid).
Eg :ammonia and ammonium chloride
3
Q
A
