Lecture 19.5- Buffers

A buffer is a solution that resists changes in pH when moderate amounts of acids or bases are added.

Buffer solutions are prepared by mixing a weak acid with its conjugate base or a weak base with its conjugate acid

Buffer solutions are prepared by mixing a weak acid with its conjugate base or a weak base with its conjugate acid ,[object Object]

A buffer solution can be prepared by using the weak base ammonia, NH 3 , and an ammonium salt, such as NH 4 Cl.

A buffer solution can be prepared by using the weak base ammonia, NH 3 , and an ammonium salt, such as NH 4 Cl. ,[object Object],[object Object]

A buffer solution can be prepared by using the weak base ammonia, NH 3 , and an ammonium salt, such as NH 4 Cl. ,[object Object],[object Object],[object Object],[object Object]

Another buffer system contains the weak acid acetic acid, HC 2 H 3 O 2 , and the salt sodium acetate, NaC 2 H 3 O 2 .

Another buffer system contains the weak acid acetic acid, HC 2 H 3 O 2 , and the salt sodium acetate, NaC 2 H 3 O 2 . ,[object Object],[object Object]

Another buffer system contains the weak acid acetic acid, HC 2 H 3 O 2 , and the salt sodium acetate, NaC 2 H 3 O 2 . ,[object Object],[object Object],[object Object],[object Object]

Lecture 19.5- Buffers

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Lecture 19.5- Buffers