在电解质溶液中,离子往往以水化离子形式存在,水化离子的形成影响溶液的静态和动态性质。离子水化数的测定有助于了解电解质溶液的结构,也为电解质溶液理论所需要。在已经提出的测定离子水化数的方法中,被引用得较多的几种经典方法和近代方法,或者由于方法本身的限制,或者在处理数据时所作的假设不尽合理,因此这些方法尚未满意地解决离子水化数的测定。迄今人们仍在不断寻求各种新的方法。本文将离子交换膜作为电解池的隔膜,电解时测量通过电解池的电量和阴极室或阳极室溶液体积的变化,并作必要的体 In electrolyte solution, ions tend to exist in the form of hydrated ions, the formation of hydration ions affect the static and dynamic properties of the solution. Determination of ion hydration helps to understand the structure of the electrolyte solution, but also for the electrolyte solution theory needs. Among the already proposed methods for determining the hydration number of ions, several classical and modern methods, which are cited more, either because of the limitations of the method itself or because the assumptions made in processing the data are not reasonable, Solve the determination of ion hydration number satisfactorily. So far, people are constantly seeking new ways. In this paper, the ion exchange membrane as the electrolytic cell membrane, electrolysis measured through the electrolytic cell and the cathode chamber or anode chamber solution volume changes, and make the necessary body