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Determination of the Molar Mass of a Dibasic Acid.
Member rating: No Rating | Words: | Submitted: Tue Oct 21 2003
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Elmaz Korimbocus Determination of the Molar Mass of a Dibasic Acid INTRODUCTION A dibasic acid is one in which there are two hydrogen atoms which can be donated as protons (H+):- If a solution of this dibasic acid is titrated with a standard base, the concentration of the acid solution can be determined and ultimately so can the molar mass. PROCEDURE APPARATUS * Weighing scales * Weighing bottle * Solid dibasic acid * Beaker * Distilled water * 250cm3 volumetric flask * Stopper * Pipette * 250cm3 conical flasks * Phenolphthalein indicator * Burette * Sodium hydroxide Using the weighing scales, 1.5 - 1.7g of the solid dibasic acid was weighed out into a weighing bottle, not including the mass of the weighing bottle. The solid dibasic acid was transferred into a beaker, making sure that every last bit of the acid had gone into the beaker. The acid was dissolved in approximately 150cm3 of distilled water. This solution was then transferred into a 250cm3 volumetric flask, and made up...
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