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Article

The Basis of the Limiting Reagent Concept, Its Identification and Applications

1Departamento de Química Fundamental Universidade Federal de Pernambuco, Recife, Brazil


World Journal of Chemical Education. 2017, Vol. 5 No. 1, 1-8
DOI: 10.12691/wjce-5-1-1
Copyright © 2017 Science and Education Publishing

Cite this paper:
Diego J. R. da Silva. The Basis of the Limiting Reagent Concept, Its Identification and Applications. World Journal of Chemical Education. 2017; 5(1):1-8. doi: 10.12691/wjce-5-1-1.

Correspondence to: Diego  J. R. da Silva, Departamento de Química Fundamental Universidade Federal de Pernambuco, Recife, Brazil. Email: diegoraposo@hotmail.com

Abstract

A general formalism for defining and identifying limiting reagent in closed systems is proposed and it is correlated to usual definitions and identification methods. An alternative definition of limiting reagent is proposed, based on real situations after the reaction is complete. Useful equations relating the limiting reagent to products and excess reagents (if the limiting reagent is completely consumed or not) and to reaction yields are given and briefly applied.

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