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A: In vacuum filtration, the filter paper should be wet before the final product solution is poured…
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A: Given that a dry container be handled with tongs or finger pads when taking itsweight
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A: Topic : use of drying agent (Ex - Sodium Sulfate)
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A: Given: Considerations for choosing the solvent in the extraction.
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A: Given: During heating, some solution of NaCl splattered out of the evaporating dish.
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Q: is water a good solvent for recrystallization for acetanilide based on the image?
A: The answer is as follows:
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Q: Write the dispersion medium and dispersed phase in milk.
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Q: What are the dispersed phase and dispersion medium in milk?
A: Dispersed Phase: The phase or particles which are present in the form of colloidal particles is…
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Q: Why is it important to mark the solvent level on the chromatography paper as soon as you remove it…
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A: The mentioned procedure in the question is commonly used technique during extraction.
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A: It is important to use high purity solvents in MS
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Q: Why must the spots be above the level of the development solvent in the developing chamber?
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Q: Why is 95% alcohol a good solvent for extraction?
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Q: What do you think would happen to your recrystallization solution if you did not use a pre- heated…
A: Re-crystallization process is a process in which the compounds which are not soluble in cold solvent…
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- What are the differences between a simple distillation and steam distillation?Why is it important to cool slowly during recrystallizationHow are solvents chosen for recrystallization? (single solvent or mixed-solvent system).What are the properties of a good solvent system? How are crystals collected?
- Why is recrystallization not applicable to samples which contain large amount of impurities?In general describe how a mixed solvent recrystalization works.Weigh out 5g of table salt. Dissolve it in 50mL of distilled water in a container using a stirrer and label appropriately. Calculate the concentration in terms of percent mass per volume.
- for effective purification by recrystalization while avoiding performing a hot gravity filtration, what is the desired solubility of an impurity at different temperatures? Hot solvent solvent after coolingWrite the dispersion medium and dispersed phase in milk.In recrystallization, crystals gathered are washed with cold solvent. What would its effect on purity and recovery? provide a 2-4 sentences explanation for each effect