An acidic buffer mixture consists of ..........and........ .

Answer

To solve the question regarding what an acidic buffer mixture consists of, we can follow these steps:

### Step-by-Step Solution:

1. **Definition of Buffer Solution**:
- A buffer solution is defined as a solution that resists changes in pH upon the addition of small amounts of acid or base.

2. **Types of Buffer Solutions**:
- There are two main types of buffer solutions: acidic buffers and basic buffers.
- An acidic buffer is made from a weak acid and its salt, while a basic buffer is made from a weak base and its salt.

3. **Components of an Acidic Buffer**:
- An acidic buffer consists of:
- A **weak acid**: This is the acid component that partially dissociates in solution.
- A **salt of the weak acid**: This salt is typically formed with a strong base. The salt provides the conjugate base of the weak acid.

4. **Example of an Acidic Buffer**:
- A common example of an acidic buffer is a mixture of acetic acid (CH₃COOH) and sodium acetate (CH₃COONa).
- Here, acetic acid is the weak acid, and sodium acetate is the salt derived from the strong base (sodium hydroxide, NaOH).

5. **Final Answer**:
- Therefore, an acidic buffer mixture consists of a **weak acid** and its **salt with a strong base**.

### Final Answer:
An acidic buffer mixture consists of **a weak acid** and **its salt with a strong base**.