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Jobs Method Of Continuous Variation

Lab 2: Determination of Complex Ion Formula by Job's Method

The method to be used is known as Job's method, or the Method of Continuous Variation. Consider a general reaction as follows: a A + b B ≓ d D (3) If we divide all of the stoichiometric coefficients by a , we obtain A + k B ≓ m D (4) where k = b/a and m = d/a.

Chemistry 370 Continuous Variation

2) To apply the continuous variation method to this system and experimentally determine the mole ratio and Kform value. 3) To carry out the math associated with the slope ratio, mole ratio and continuous variation methods.


Continuous-variation plot for a 1:2 complex, ML 2. 2 Method of Continuous Variations 1 (Job's Method) In this method, metal cation and ligand solutions with identical concentrations are mixed in different amounts such that the total volume of the mixture solutions and the total moles of reactants in each ...

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Theory Job's method of continuous variation [1] is a simple method for finding the formula of a complex [2, 3]. It is most effective when only a single complex is formed.


Method is limited to situations where one stage predominates. In the method, the total molar concentration of nickel(II) plus ligand is kept constant and the ratio varied from zero to infinity.

Determination of molecular formula of a complex by ...

In this experiment, I study the complex formed by salicylic acid and ferric ions, using Job'sMethod. 1 Introduction The method Iwillbeusinghere to determine the molecular formula of the ferric salicylate complex is Job'smethod, which is a method of continuous variation to find out the formula.

Investigating Complex Ions of Copper(II)

One of the simpler techniques for determining the empirical composition of binary compounds or complexes is known as the method of continuous variation or Job's Method .

Laboratory Experiments

... An Overview of Nitrogen Chemistry 3 An Overview of Sulfur Chemistry 4 Lewis Acids and Bases 5 Boric Acid and Its Derivatives 6 Boric Acid and Its Derivatives 7 Spectrophotometric Determination of the Composition of a Complex:Composition of Iron-Phenanthroline Complex by Job's Method of Continuous Variation. ...


The classical method to analyze variation in a set of curves is Principal Component Analysis (PCA). ... I am taking part in a further investigation in evolutionary biology to check if the low variation along the faster-slower mode is a common trend in continuous reaction norm ...

Data Analysis: Describing Data - Descriptive Statistics

... is three times more male than person B" or "Person A rated the course as five times more excellent than person B." Interval variables are continuous ... Texas State Auditor's Office, Methodology Manual, rev. 5/95 Data Analysis: Describing Data - Descriptive Statistics - 3 — Coefficient of variation ...