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- calculate the number of moles of sodium thiosulphate (vi) needed to react with iodine liberated during titration. calculate the molarity of sodium thiosulphate (vi) pentahydrate.Why is it not necessary to know the exact volume of deionized water added when preparing the samples for titration?list the apparatus involved in volumetric or titrimetric analysis
- Explain the half drop titration techniqueHatsume Mei wanted to maintain the pH of a certain solution within a specified range. What should she use to accomplish this? Analyte Titrant Standard BufferWhich of the following steps MUST be done prior to titration of an analyte? I. Prepare a standardized solution II. Wash the burette with a standardized solution III. Fill the burette to the 50-mL mark IV. Prepare a contrast paper to determine burette volume and titration endpoint
- Why is rinsing of the burettes both with distilled water and solution a critical step in titration?In the concept of Acid-base titration what does a permanent faint pink color in the solution indicate ?An approximately 0.1-molar solution of NaOH is to be standardized by titration. Assume that the following materials are available. Clean, dry 50 mL buret •Analytical balance 250 mL Erlenmeyer flask •Wash bottle filled with distilled water Phenolphthalein indicator solution Potassium hydrogen phthalate, KHP, a solid monoprotic acid (to be used as the primary standard) Briefly describe the steps you would take, using the materials listed above, to standardize the NaOH solution. Describe (the set up) the calculations necessary to determine the concentration of the NaOH solution.
