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