Use the followingexperimental titration data to calculatethe concentration of the acid being analysed. Observations: The initial...
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Use the followingexperimental titration data to calculatethe concentration of the acid being analysed. Observations: The initial solution of acetic acid (HC2H3O2) is clear and colourless. A few drops of phenolphthalein indicator are added to each sample. A dilute solution of sodium hydroxide (concentration 2.50 x 10 mol/L) is used as the titrant. As the mixture reaches the endpoint, flashes of pink colour are seen and the titrant is added drop by drop. The endpoint isreached when one drop of titrant turns the mixturea pale pink colour that does not fade. Trial Volume of aceticacid (HC2H3O2) (mL) Initial burettereading (mL) Final burette reading (mL) 1 10.00 2 10.00 3 10.00 0.00 24.27 48.55 24.27 48.55 72.81 Use the followingexperimental titration data to calculatethe concentration of the acid being analysed. Observations: The initial solution of acetic acid (HC2H3O2) is clear and colourless. A few drops of phenolphthalein indicator are added to each sample. A dilute solution of sodium hydroxide (concentration 2.50 x 10 mol/L) is used as the titrant. As the mixture reaches the endpoint, flashes of pink colour are seen and the titrant is added drop by drop. The endpoint isreached when one drop of titrant turns the mixturea pale pink colour that does not fade. Trial Volume of aceticacid (HC2H3O2) (mL) Initial burettereading (mL) Final burette reading (mL) 1 10.00 2 10.00 3 10.00 0.00 24.27 48.55 24.27 48.55 72.81
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