2. In titration experiment at 25°C, a total of 30 mL of 0.1 M NaOH was added dropwise to conical flask containing 25 mL

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2. In titration experiment at 25°C, a total of 30 mL of 0.1 M NaOH was added dropwise to conical flask containing 25 mL

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2 In Titration Experiment At 25 C A Total Of 30 Ml Of 0 1 M Naoh Was Added Dropwise To Conical Flask Containing 25 Ml 1
2 In Titration Experiment At 25 C A Total Of 30 Ml Of 0 1 M Naoh Was Added Dropwise To Conical Flask Containing 25 Ml 1 (61.82 KiB) Viewed 111 times
2. In titration experiment at 25°C, a total of 30 mL of 0.1 M NaOH was added dropwise to conical flask containing 25 mL of 0.1 M HCl and few drops of an indicator. Calculate the pH of the solution before the addition of NaOH, at half equivalence point and at the final volume of titration. Sketch a graph of pH against the volume of NaOH added. What is an acid-base indicator? By referring to Table 1 below, suggest the most suitable indicator to be used in the titration above and justify your answer. Indicator Phenolphthalein Cresol red Bromothymol blue Litmus Table 1 pH range 8.3-10.0 7.0-8.8 6.0-7.6 4.7-8.3
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