由弱酸的酸常数求相关半反应标准电极电势的方法  

Calculation Methods of the Related Half-reaction Standard Electrode Potential from the Weak Acid's Acidity Constants

作　　者：朱立刚[1] 申卫群[1] 

机构地区：[1]玉林师范学院化学与材料科学学院,广西玉林537000

出　　处：《广东化工》2011年第6期87-87,67,共2页Guangdong Chemical Industry

摘　　要：从弱酸的酸常数出发,分别利用体系的电极电势、原电池原理和金属配离子模式三种方法对相关半反应的标准电极电势进行了求解。对三种方法的思路和本质进行了阐述,加深了弱酸的酸常数与相关半反应标准电极电势关系的理解。Using the electrode potential of system,the principle of primary cell and the pattern of metal complex ions to calculate the related half-reaction standard electrode potential from the weak acid＇s acidity constants,respectively.The ideas and essence of the three methods have been described and the relationship between the weak acid＇s acidity constants and the related half-reaction standard electrode potential have been expounded.

关 键 词：弱酸 平衡常数 标准电极电 

分 类 号：TQ028.8[化学工程]