The PK_a of HCl Is ?7 $\mathrm{HCl}+\mathrm{H}_{2} \mathrm{O} \rightleftharpoons \mathrm{H}_{3} \mathrm{O}^{\oplus}+\mathrm{Cl}^{\ominus}$

question 73

Multiple Choice

The pK_a of HCl is ?7. What is the value of the equilibrium constant, K_eq, for the following equilibrium? [The concentration of water in a dilute aqueous solution is 55 M] $\mathrm{HCl}+\mathrm{H}_{2} \mathrm{O} \rightleftharpoons \mathrm{H}_{3} \mathrm{O}^{\oplus}+\mathrm{Cl}^{\ominus}$

• A) 1.8 × 10⁵
• B) 385
• C) 1.8 × 10?⁵
• D) ?1.8 × 10⁵

---

Definitions:

Cognitive Dissonance

A psychological discomfort experienced when simultaneously holding two or more conflicting beliefs, ideas, or values.

Self-Serving Bias

A common cognitive bias where individuals attribute their successes to internal factors while blaming external factors for their failures.

Cognitive Component

Refers to the beliefs, thoughts, and knowledge that influence how an individual understands and interacts with the world.

Affective Component

Pertains to the emotional aspect of attitudes, reflecting feelings or emotions related to an object, person, or event.