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Suggest methods (aside from recrystallization) that can increase the purity of aspirin in the final product.
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- 1) Outline the processes you would adopt to purity and test the purity of sodium benzoate, an active ingredient of most cosmetic products in the laboratory.Give a fundamental description of the recrystallization process. Explain why it is required and how it can be executed.2. State the processes that can be adopted to purify and test the purity of sodium benzoate
- Students were tasked to conduct a recrystallization experiment to test the ability of the newly discovered solvents in their laboratory to purify and separate a mixture containing compounds X and Y. The solubility of the two compounds in g/50 mL of hot and cold solvents are given by the photo.List and describe two methods that can used to improve the separation of a liquid mixture by fractional distillation1) outline the process you would adopt to purity and test the purity of sodium benzoate, an active ingredient of most cosmetic products in the laboratory.
- You were given a mixture of two miscible solvent A and B that you are tasked to separate. You know that solvent A has a boiling point of 49 oC while solvent B has a boiling point of 174 oC. Which of the listed method would overall be the most efficient? Fractional distillation Recrystallization Solid-liquid extraction Liquid-liquid extraction Simple distillation Acid-Base extractionThe solubility of water in diethyl ether has been reported to be 1.468 % by mass.' Assuming that 23.0 mL of diethyl ether were allowed to become saturated with water before used, and that the 1.2 g magnesium was the limiting reagent, what percentage of the product is expected to be lost due to the water in the solvent if the ether is not anhydrous?In caffeine recrystallization, explain how recrystallization was performed and how pure caffeine was obtained.
- A student performs a crystallization on an impure sample of biphenyl. The sample weighs 0.5 g and contains about 5% impurity. Based on his knowledge of solubility, the student decides to use benzene as the solvent. After crystallization, the crystals are dried and the nal weight is found to be 0.02 g. Assume that all steps in the crystallization are performed correctly, there are no spills, and the student lost very little solid on any glassware or in any of the transfers. Why is the recovery so low?Draw an outline of the recrystallization process- Assume all types of Impurities(Soluble, Insoluble and colored) are present.Can a mixture of trichloromethane and propanone be separated into the pure components by fractional distillation? Explain