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Concentration of Vinegar
Member rating: No Rating | Words: | Submitted: Mon Apr 24 2006
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Concentration of Vinegar Introduction In this investigation I am going to find out the concentration of ethanoic acid in vinegar. The concentration of acid is different in the product made by different manufactures. I will react the acid in the vinegar solution of sodium hydroxide of known concentration in a titration experiment. Equipment * Plastic beaker * Glass beaker * Pipette * Funnel * Phenolphthalein * Vinegar Method: * Rinse the pipette with the diluted solution of vinegar. * Rinse the conical flask with distilled water Pipette 25cm³ of diluted vinegar solution to the conical flask and add 4-5 drops of the indicator. * Rinse the burette with the solution of Sodium Hydroxide and be sure to get rid of any air bubbles in the tip of the burette. * Using the filter funnel, carefully fill the burette with the solution of Sodium Hydroxide. * Record the initial burette reading in a results table. * Set up the burette and...
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