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A: Solution- Data given- water sample = 100ml = pH = 6.3. 4.5 ml of 0.02N NaOH = pH = 8.3.
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Q: The pH of a water sample is found to be 6.3. It is titrated with 4.5mL of 0.02 N NaOH to a pH of 8.3...
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In the Iodination of Acetone, Why were the reagents equilibrated in water bath before mixing?
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- Why is benzene diazonium chloride not stored and is used immediately after its preparation?Separating t-butyl chloride from the reaction mixture. What is the purpose of washing with the following? . a. With cold water b. With sodium bicarbonate solutionHow can the Eugenol content be separated from the alkaline solution?
- 1. Why are the acidic extracts and the basic extracts cooled before neutralization during Acid/Base extraction experiment? 2. Why was the water used for washing the precipitates on the funnels specified to be cold during Acid/Base extraction experiment.In the procedure of the separation of Phensuprin using Acid-Base extraction, the bicarbonate solution was acidified with HCL to precipitate out acetylsalicylic acid. Why was not the water removed by a rotovap instead?in a liquid-liquid extraction, why is ethyl acetate a good initial solvent to dissolve a mixture of benzoic acid, 4-bromoacetophenone and ethyl 4-aminobenzoate? the extraction solvent is sodium bicarbonate.
- Why Does The Flask Need To Be In An Ice Bath And The Sulfuric Acid Added Dropwise? Synthesis Of BenzocaineWhy does the eugenol move from the water layer to the dichloromethane layer during extraction?Why are the starting materials (Triphenyl Phosphine and Benzyl Chloride) soluble in xylene but the product (phosphonium salt) is not soluble in xylene?
- Why is the refluxing time required for the synthesis of methyl salicylate is quite long?Write a balanced equation for the reaction of benzoic acid with hydroxide ion. Why is it necessary to extract the ether layer with sodium hydroxide?Identify The resulting color of the solution upon the addition of dilute sodium hydroxide in phthalein dye test