Respuesta :
A buffer is a substance that can survive pH fluctuations caused by the addition of acidic or basic substances. It might balance off minor additions of acid or base, keeping the pH of the solution largely constant.
What is buffer solution?
This is crucial for procedures and/or reactions that demand intricate and stable pH ranges. The amount of acid or base in buffer solutions can be determined by their pH range.
A weak conjugate acid-base pair, which can be either an or b, must make up a buffer. a conjugate base of a weak acid, or b. a conjugate acid of a weak base. The following, for instance, could serve as buffers when mixed together in a solution:
- Sodium acetate is a salt that contains the acetate anion, the conjugate base of acetic acid, a weak organic acid.
- Pyridine (weak base) and a salt, such as pyridinium chloride, that contains its conjugate acid.
- Ammonia (weak base) and a salt containing the ammonium cation, which is its conjugate acid, are examples of this.
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