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提出了“难溶电解质的溶解平衡”教学中的问题,探索用氯离子传感器诠释AgCl溶解平衡的实验方法。实验数据表明,当AgCl悬浊液中Cl~-、Ag~+浓度均小于1 mg/L时,氯离子传感器能成功描述AgCl溶解平衡的存在和移动。
The problem of teaching “Dissolution equilibrium of poorly-dissolved electrolyte” was put forward, and the experimental method of interpreting the equilibrium of AgCl using chloride ion sensor was explored. The experimental data show that when the concentration of Cl ~ -, Ag ~ + in AgCl suspension is less than 1 mg / L, the chloride ion sensor can successfully describe the existence and movement of AgCl equilibrium.