How many of the following responses are true? 1. A buffer is formed when you add

Question

How many of the following responses are true? 1. A buffer is formed when you add NaOH to NH3 2. A buffer is formed when you add HCl to CH3COOH 3. The buffer with the greatest buffering capacity for an hydrofluoric acid/sodium fluoride buffer system will have a pH of 3.54 4. A buffer resists pH change when base is added by converting hydroxide ions to hydronium ions 5. A buffered system can be formed by combining a weak base/conjugate acid pair in solution

i know only one is true but im not sure which one is, and why the other ones are not?

Explanation / Answer

1) false as both are bases.

2) false as both are acids.

3) false

4) false a base cant form hdronium ion

5) true

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