Design a flow chart for the separation of 3-chloro aniline (a base) and benzophenone (a neutral compound). You may use 5% HCl solution and 6M NaOH solution for your procedure.
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. Design a flow chart for the separation of 3-chloro aniline (a base) and benzophenone (a neutral
compound). You may use 5% HCl solution and 6M NaOH solution for your procedure.
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- (extraction, reactive extraction, recrystallization). Write a few sentences for each technique explaining themAfter the drying step (with sodium sulfate), there was still water in the solution. What should the TA have done to remove it? Be specific.Make a schematic diagram of the recrystallization procedure.
- Complete and submit a flow chart of an acid base extraction of acetylsalicylic acid, caffeine, and phenacetin using dichloromethane (DCM). The flow chart should indicate what compounds will be in which layers during extraction.The method of extraction for Roman chamomile is: Choose one answer. a. cold-press extraction b. steam distillation c. water distillation d. solvent extraction1. 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…
- On my lab, involving extraction, it says “wash the organic layer with 1.0 mL of 1 M aqueous sodium bicarbonate” what does that mean exactly? Thanks!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.Where should the analyte be spotted on a TLC plate? Below the 1 cm spot line On the 1 cm spot line. On the solvent front line Above the 1 cm spot line
- How can Separate Sodium Hydroxide and Sodium Carbonate in the Assay Experiment ?How to tell if recrystallization successfully purified the sample? Why?Considering the procedure below: “Determination of the concentration of HCl: Pipette 10 mL of hydrochloric acid and transfer to a 100 mL volumetric flask, complete the volume with water and homogenize. Remove a 10 mL aliquot of this solution and transfer it to a second dilution in a 100 mL volumetric flask, complete the volume with water and homogenize. Take a 20 mL aliquot of this last solution and transfer to a 250 mL erlenmeyr and add 20 mL of distilled water and 4 drops of the acid-base indicator. Titrate with a previously standardized 0.100 mol/L sodium hydroxide solution until the indicator turns.” Answer: a) In this titration, the indicator used is phenolphthalein. Discuss the use of this indicator considering its turning range and pH at the stoichiometric point of the titration. Justify. b) Considering that the volume of titrant used was equal to 24.5 mL, calculate the concentration of HCl in the sample in mol/L.