Consider an aqueous solution in and in (). What is the total in the solution? — Ionic Equilibrium Chemistry Question

💡 Solution & Explanation

Due to the common ion effect, the strong acid ($HCl$) completely suppresses the dissociation of the weak acid ($CH_3COOH$). Thus, total $[H^+] \approx [HCl] = 0.1 \text{ M}$.