Chapter 15, Problem 15.118QP

Interpretation Introduction

Interpretation:

$\text{HF}$ is a weak acid, but its strength increases with concentration has to be explained

Concept Information:

Weak acid:

Weak acids ionize only to limited extent in water. At equilibrium, an aqueous solution of a weak acid has a mixture of unionized acid molecules, hydronium ions and corresponding conjugate base.

Le Chatelier’s Principle:

This principle states that “at equilibrium, when any system is subjected to change in temperature, volume, pressure or concentration, then the system adjusts itself to counteract the effect of the applied change by establishing a new equilibrium”

To Explain: $\text{HF}$ is a weak acid, but its strength increases with concentration.