Given 0.10 M solutions of the following acids, which contains the lowest concentration of H₃O⁺? A)HF, K_a = 6.3 × 10⁻⁴ B)HCN, K_a = 6.2 × 10⁻¹⁰ C)HOCl, K_a = 4.0 × 10⁻⁸ D)CH₃CO₂H, K_a = 1.8 × 10⁻⁵ E)HCO₂H, K_a = 1.8 × 10⁻⁴

Question

Quizplus · Accepted Answer

The lower the value of the acid dissociation constant (Ka), the weaker the acid. Among the given options, HCN has the lowest Ka value (6.2 × 10^-10), indicating that it is the weakest acid and has the lowest concentration of H+ ions.

Given 010 M Solutions of the Following Acids, Which Contains the the Lowest