定量化学分析
7.1.1 溶解度和溶度积 1. 溶解度 MA (s) MA (H2O) M+ + A- MA(s)。aMA(s) = 1 S0 = aMA(H2O) = MA [MA](H2O) MA = 1 (中性分子)。分析化学中的络合物。分析化学中的络合物。
定量化学分析Tag内容描述:<p>1、ISO 2017 Textiles Quantitative chemical analysis Part 11: Mixtures of certain cellulose fibres with certain other fibres (method using sulfuric acid) Textiles Analyse chimique quantitative Partie 11: Mlanges de certaines fibres de cellulose avec certaines autres fibres (mthode lacide sulfurique) INTERNATIONAL STANDARD ISO 1833-11 Second edition 2017-08 Reference number ISO 1833-11:2017(E) ISO 1833-11:2017(E) ii ISO 2017 All rights reserved COP。</p><p>2、第七章 沉淀溶解平衡及沉淀滴定,7.1 沉淀溶解平衡,7.1.1 溶解度和溶度积 1. 溶解度 MA (s) MA (H2O) M+ + A- MA(s):固体MA MA(H2O):分子MA或离子对M+A-,平衡常数,平衡时:,aMA(s) = 1 S0 = aMA(H2O) = MA MA(H2O) MA = 1 (中性分子),固有溶解度 分子溶解度,溶解度:S = S0 + M+ = S0 + A- AgI,AgBr等S0/S:0.1 1% 可忽略S0,S0 = MA(H2O),2. 溶度积 MA (H2O) M+ + A- Ksp = M+A- 溶度积 K0sp = aM+ aA- 活度积 aM+= M+M+ aA- = A-A- K0sp = KspM+A- Ksp = K0sp / M+A- MmAn类型:MmAn mMa+ + nAb- Ksp = Ma+mAb-n = K0sp / mMa+nAb-,设M。</p>