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Titration Lab-revised4-docx.docx - Titration Materials...

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TitrationMaterials generally considered to possess acidic and/or basic properties arewidely distributed in nature and range from simple inorganic materialsthrough organic and biological molecules of great complexity. Sinceacid-base equilibrium is a general phenomenon, it is advantageous to use itas an analytical tool.The reaction between an acid and a base is called neutralization.The products of an acid-base neutralization reaction are water and anionic compound.The general reaction involved in neutralization titrations can be depicted asfollows:HA+MOH ------> H2O+MA(acid)(base)A commonly used method of expressing concentration is molarity (M).The equation defining molarity is:Molarity (M) = mol of solute/volume of solution in LBecause titration is a quantitative, volumetric procedure used to determine theconcentration of a solute in a solution, it is possible to determine theconcentration of an acid in a solution of the acid by measuring the volume ofbase needed to just consume the acid.The point at which the hydronium ion from the acid is just completely neutralizedis called the equivalence point of the titration. At the equivalence point, thenumber of moles of hydronium ion neutralized and number of moles of hydroxideion added are equal.Indicators, water-soluble dyes that have one color in acidic solutions and anotherin basic solutions allow us to know when the equivalence point is reached.

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Term
Spring
Professor
N/A
Tags
pH, Sodium hydroxide, Acid Base Equilibrium

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