In glucose estimation using Benedict's Reagent, briefly explain what would happen if the water evaporates completely and is not immediately replaced and what effect this will have on the calculated titer of Benedict's reagent.
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In glucose estimation using Benedict's Reagent, briefly explain what would happen if the water evaporates completely and is not immediately replaced and what effect this will have on the calculated titer of Benedict's reagent.
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- the eugenol and water distillate you collect is apt to be cloudy, particularly the first part of this distillate. Explain why.What will be the residue and what will be formed at cooler portion of test tubes if the tube containing CuO-sugar mixture is heated?what would be the implications if the volume reduction is skipped in the recrystallization?
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- Based on the resulting chromatograms after visualization with iodine vapor, which between the solvent systems WHITE and MIX resulted in a more effective separation of the pigments of the indigo extract? Explain your answer in terms of the solvent that did not effectively separate the components of the root extract.Which of the following should be done if there is no recrystallization due to the unsaturation of the solution? (mixed solvent recrystallization) a. Crystal seeding b. Scratching the inner walls or bottom of container c. Further boiling of solvent d. Adding small amount of sample1. Basically, when is glass stoppered buret used? ______________________________ ____________________________________________________________________ When is rubber stoppered buret used? ____________________________________ ________________________________________________________________________________________________________________________________________ When is a PTFE buret used? _________________________________________________________ _ _________________________________________________________________________________ 2. Describe the recommended method for the manipulation of a buret stopcock during titration. ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 3. Why is it necessary to completely fill the rubber tubing of the stopcock with the…
- Read the detailed procedure of an experiment in your screen. Evaluate each step in the procedure whether it belongs to HOMOGENIZATION, EXTRACTION, PURIFICATION/CONCENTRATION, DATA TREATMENT, or INSTRUMENTAL ANALYSIS step.In addition to a low boiling point and immiscibility with water, why is density important to consider in the selection of an extraction solvent? Would an organic liquid with a density of 1.006 g/mL make a good extraction solvent? Explain.Write the chemical reaction that took place during this experiment.In the organic chemistry experiment of an Extraction of crude napthalene-benzoic acid dissolved in ethyl acetate solvent. Why are multiple small extractions better than 1 large extraction?. Prove this with mathematically. Kindly use math and numbers! showing everything.