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Citation: Xiao Kaiti Abulizi, Areyi Mulati, Ronglan Wu. Discussion of Correspondence and Regularity Problem in Deriving and Applying Distribution Fraction Calculations[J]. University Chemistry, ;2023, 38(2): 233-238. doi: 10.3866/PKU.DXHX202204009 shu

Discussion of Correspondence and Regularity Problem in Deriving and Applying Distribution Fraction Calculations

Key Laboratory of Oil & Gas Fine Chemicals Ministry of Education & Xinjiang Uyghur Autonomous Region, School of Chemical Engineering and Technology, Xinjiang University, Urumqi 830017, China

Received Date: 6 April 2022

The calculation of equilibrium concentrations of each component in the acid-base system is a critical knowledge point in teaching analytical chemistry. Its teaching impact depends on the mastery of the derivation, application, and potential meaning of the distribution fraction (δ) formula. The derivation and application of δ as the focus are time-consuming and tedious. δ has good application in calculating the pH, concentration of each species in the acid-base and complex system, buffer capacity, and titration error. In this study, the methods for the rapid derivation and convenient application of δ in n-ary acid-base solutions were examined. The application of this study helps stimulate students’ interest, improve cognition, and enhance understanding.
- Analytical chemistry,
- Distribution fractions,
- Distribution curve,
- Acid-base systems
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