Determination of the Equilibrium Constant of an Unknown
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Title: Determination of the Equilibrium Constant of an Unknown

Essay Details:

Subject: Science
Author: Lonnie S
Date: October 17, 2015
Level: University
Grade: A
Length: 4 / 914

Essay text:

Introduction In this lab the equilibrium constant, Kc, for the acid catalyzed reaction between an unknown ester and water to form an unknown alcohol and an unknown carboxylic acid was determined. The equation for the reaction is the following: R1COOR2 + H2O - R2OH + R1COOH (eq.1) The symbol R represents a general hydrocarbon residue of some specified structure. The equilibrium concentrations were determined through a series of experiments where a known base, Sodium Hydroxide (NaOH), was titrated into different reaction mixtures until an endpoint was reached. The equilibrium concentrations were then placed into the following equation to determine the constant: Kc = [R2OH] [ R1COOH] [R1COOR2 ] [H2O] (eq...

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