Buffer Solutions Flashcards
1
Q
What is meant by a buffer solution?
A
A solution which can resist changes in ph un addition of small quantities of acid or alkali on dilution
2
Q
What pn du acidic buffers have?
A
pH less than 7
3
Q
What pH do basic buffer solution have?
A
Ph less than 7
4
Q
What are acidic buffers made from?
A
Made from a mixture of a weak acid and one of its salt
5
Q
What are basic buffer solutions made from?
A
Made from a mixture of a weak alkali and one of its salts
6
Q
Example of a basic buffer?
A
NH4Cl and NH3
Ammonium chloride and ammonia
7
Q
Example of an acidic buffer?
A
CH3COONa + CH3COOH