Calculate the Equilibrium Constant K_c for the Following Overall Reaction $\leftrightharpoons$

question 43

Multiple Choice

Calculate the equilibrium constant K_c for the following overall reaction: AgCl(s) + 2CN^-(aq) $\leftrightharpoons$ Ag(CN) ₂^-(aq) + Cl^-(aq)
For AgCl, K_sp = 1.6 * 10^-10; for Ag(CN) ₂^-, K_f = 1.0 * 10²¹.

• A) 1.2 * 10¹¹
• B) 1.4 * 10¹¹
• C) 1.6 * 10¹¹
• D) 1.8 * 10¹¹
• E) None of the above

---

Definitions:

Tooth Decay

A condition where the structure of the tooth is damaged due to bacterial activity, leading to cavities or caries.

Dentin

The hard, dense, bony tissue that forms the bulk of a tooth beneath the enamel, providing its primary structure.

Digestion

The breakdown of food to small molecules.

Starches

Complex carbohydrates that plants use to store glucose.