引用本文:
柳青, 王海水. 多元弱酸(碱)溶液pH的简易通用计算方法[J]. 大学化学,
2016, 31(11): 89-92.
doi:
10.3866/PKU.DXHX201603004
Citation: LIU Qing, WANG Hai-Shui. A Simple and Universal Method for Finding the pH of a Solution Containing a Weak Polyprotic Acid (or Base)[J]. University Chemistry, 2016, 31(11): 89-92. doi: 10.3866/PKU.DXHX201603004
Citation: LIU Qing, WANG Hai-Shui. A Simple and Universal Method for Finding the pH of a Solution Containing a Weak Polyprotic Acid (or Base)[J]. University Chemistry, 2016, 31(11): 89-92. doi: 10.3866/PKU.DXHX201603004
多元弱酸(碱)溶液pH的简易通用计算方法
English
A Simple and Universal Method for Finding the pH of a Solution Containing a Weak Polyprotic Acid (or Base)
Abstract:
This paper presents a novel method for finding the pH of a solution containing a weak polyprotic acid (or base).The new method has the following characteristics:its constraint condition is simple,namely if a term is less than 5% of the maximum term among the polynomial,its contribution can be ignored.The calculation steps are clear and normalized.The universality of the new method is good,applicable to the pH calculation for both weak polyprotic acids and weak polyprotic bases.
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Key words:
- Weak polyprotic acid
- / Weak polyprotic base
- / pH calculation
- / New method
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