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水溶液中的离子平衡主要包括:(1)弱电解质的电离平衡,如2014年北京市第9题、江苏省第14题等;(2)水的电离与溶液pH的计算,中和滴定的原理与操作,如2014年山东省第10题、上海市第21题和浙江省第12题等;(3)盐类水解与溶液中离子浓度的大小比较,如2014年重庆市第3题、四川
Ion balance in aqueous solution mainly includes: (1) Ionization balance of weak electrolyte, such as Beijing Question 9 in 2014 and Jiangsu Province Question 14; (2) Calculation of ionization of water and solution pH, principle of neutralization titration And operations such as Shandong Province No.10 in 2014, No. 21 in Shanghai and No.12 in Zhejiang Province, etc .; (3) comparison of salt hydrolysis and ion concentration in solution, such as Chongqing No. 3 in 2014, Sichuan