Does a buffer system have to have H+ dissassoc, or can it be O's instead?

In summary, a buffer system is a solution that resists changes in pH and is made up of a weak acid and its conjugate base, or a weak base and its conjugate acid. It works by reacting with added acid or base to prevent large changes in pH. A buffer system can have O's instead of H+ dissociation, and requires at least two components to function properly. It is important for a buffer system to resist changes in pH because it helps maintain a stable pH in a solution, which is crucial for many biological processes.
  • #1
jenzao
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Does a buffer system have to have H+ dissassoc, or can it be O's instead?
for eg, HSO4- --> HSO3-
is this a buffer?
 
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  • #2
What does your book and what does your teacher tell you about a buffer system? Something about weak acid and its conjugate base, or weak base and its conjugate acid..., weak acid and salt of the weak acid, or weak base and salt of the weak base,...
 
  • #3


A buffer system is a solution that resists changes in pH when small amounts of acid or base are added. The most common buffer systems contain a weak acid and its conjugate base, or a weak base and its conjugate acid. In these systems, the weak acid or base can dissociate to release H+ or OH- ions, respectively, in order to maintain a stable pH.

In the example you provided, HSO4- can dissociate to release H+ ions, while HSO3- can accept H+ ions to maintain a stable pH. This is an example of a buffer system, as it contains both a weak acid (HSO4-) and its conjugate base (HSO3-).

While it is possible for a buffer system to contain other ions, such as O-, it is not common for these ions to play a significant role in maintaining pH. Therefore, a buffer system typically involves the dissociation of H+ ions, rather than O- ions.
 

1. What is a buffer system?

A buffer system is a solution that resists changes in pH when small amounts of acid or base are added. It is made up of a weak acid and its conjugate base, or a weak base and its conjugate acid.

2. How does a buffer system work?

A buffer system works by having a component that can react with added acid or base, preventing large changes in pH. For example, a buffer system containing acetic acid and acetate ions will react with added acid, forming more acetate ions and minimizing the change in pH.

3. Can a buffer system have O's instead of H+ dissociation?

Yes, a buffer system can have O's instead of H+ dissociation. In fact, many buffer systems involve the dissociation of OH- ions, such as with sodium acetate and acetic acid.

4. Can a buffer system be made up of just one component?

No, a buffer system requires at least two components: a weak acid or base and its conjugate. This is because a single component cannot simultaneously act as both an acid and a base, which is necessary for a buffer system to resist changes in pH.

5. Why is it important for a buffer system to resist changes in pH?

A buffer system is important because it helps maintain a stable pH in a solution. This is crucial for many biological processes, as even small changes in pH can disrupt the functioning of enzymes and other molecules. Without buffer systems, our bodies and other living organisms would not be able to maintain the proper pH for essential functions.

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