Answer:
HCl reacts with NaF
Explanation:
A buffer is defined as the mixture of a weak acid (HX) with its conjugate base (X⁻) or vice versa.
The buffer in the problem is the mixture of HF -weak acid- with NaF -conjugate base, F⁻-. A strong acid as HCl reacts with the conjugate base, F⁻, producing weak acid, HF. The reaction is:
HCl + F⁻ → HF + Cl⁻
Thus, HCl reacts with NaF.
When 0.1 mol of HCl is added to a buffer containing 1.0 mol of NaF and 1 mol of HF in 1.0 L of water, HCl reacts with F⁻, which neutralizes the H⁺ provided by acid.
We have a buffer system formed by F⁻ (coming from NaF) and HF.
It is a solution that resists abrupt changes in the pH when an acid or a base is added.
Our buffer system is formed by a weak acid (HF) and its conjugate base (F⁻). When an acid, such as HCl, is acid to the mixture, it is neutralized by the basic component. The corresponding net ionic equation is:
HCl + F⁻ ⇒ HF + Cl⁻
When 0.1 mol of HCl is added to a buffer containing 1.0 mol of NaF and 1 mol of HF in 1.0 L of water, HCl reacts with F⁻, which neutralizes the H⁺ provided by acid.
Learn more about buffer systems here: https://brainly.com/question/16970860
