0.10 mol dm-3 NaCI conducts electricity better than 0.10 mol dm-3 CH3COOH because the solution of NaCI

0.10 mol dm^-3 NaCI conducts electricity better than 0.10 mol dm^-3 CH₃COOH because the solution of NaCI contains more ions. When an ionic compound like NaCI dissolves in water, it dissociates into its component ions, Na⁺ and Cl^-. These ions are able to carry an electric charge and are therefore able to conduct electricity. In contrast, CH₃COOH is a weak acid that only partially dissociates in water to form CH₃COO^- and H⁺ ions. Since there are fewer ions in the solution of CH₃COOH compared to NaCI, it conducts electricity less efficiently. Therefore, the correct answer to the question is that the solution of NaCI contains more ions.