Please type all of the parts to this question occordingly to the instructions. Here is an example of a formal procedure based off of the experiment presented in Mohrig:Sodium hydroxide (4.6 g) was dissolved in water (25 mL). This solution was added to a 100 mL round bottom flask along with methyl salicylate (2.0 mL) and a stir bar. The mixture was heated at reflux for 15 min and then progressively cooled to 5 °C. The solution was acidified with 3M sulfuric acid (15-20 mL), and the resulting solid was collected by vacuum filtration. The crude salicylic acid was recrystallized from water to yield ???? g of final solid. The melting point and IR were taken to assess purity.Calculate the molarity of the solution of sodium hydroxide that is used.a. M = b. If the original procedure is the base scale (100%), how far are we scaling down the reaction when using 0.75 mL of methyl salicylate? (Example: the original uses 2.0 mL, if we were to use 1.0 mL, we would be scaling the reaction down to 50% compared to the original)c. If we use 0.75 mL of methyl salicylate instead, how much of the water would we need instead?d. About how much water might we expect to use for the recrystallization of the salicylic acid formed from the hydrolysis of 0.75 mL of methyl salicylate? (use p36 and your answer to #d).e. About how much 3M sulfuric acid will you need to neutralize the salt that forms? 36Part 1 Exp eriments2.0 mL (2.3 g, 0.015 mol) of methyl salicylate. A white solid willALWAYS grease ground glass quickly form (see Question 3). Attach a water-cooled reflux con-joints [see Technique 2.1].denser to the round-bottomed flask [see Technique 3.3].Add one or two boiling stones to the reaction mixture to pre-vent bumping of the solution when it is heated and place a heat-ing mantle under the flask [see Technique 3.2]. Heat the reactionmixture at boiling for 15 min. The solid that forms initially willdissolve as the mixture is warmed.After the reflux period, remove the heating mantle and let themixture cool to room temperature. Placing a beaker of tap waterunder the flask speeds the cooling process.Carefully add 3 M sulfuric acid solution in approximately3-mL increments until a heavy white precipitate of salicylic acidforms and remains when the mixture is well stirred. You will needapproximately 15-20 mL of the sulfuric acid solution.After you have added just enough 3 M sulfuric acid to give aheavy white precipitate, add 2 mL more acid to ensure completeprecipitation of the salicylic acid. Cool the mixture in an ice-waterbath to about 5°C. Collect the precipitated crude product by vac-uum filtration, using a Buchner funnel [see Technique 5, Figure5.4].Recrystallization of Recrystallize the crude salicylic acid by the following procedure.Salicylic AcidHeat about 60 mL of water in a 125-mL Erlenmeyer flask on a hotplate until the water almost boils. Place the crude salicylic acid inRead Technique 5,Recrystallization, carefullybefore doing this part of theеxperiment.another 125-mL Erlenmeyer flask and add a boiling stone orwooden boiling stick. Carefully pour approximately 20 mL of hotwater over the salicylic acid and heat the flask containing the sali-cylic acid to boiling.SAFETY PRECAUTIONUse a pair of flask tongs to hold any hot flask.Continue adding approximately 5-mL portions of hot wateruntil the solid has completely dissolved, allowing a little time aftereach addition for the dissolution process to occur. When dissolu-

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Please type all of the parts to this question occordingly to the instructions. Here is an example of a formal procedure based off of the experiment presented in Mohrig:Sodium hydroxide (4.6 g) was dissolved in water (25 mL). This solution was added to a 100 mL round bottom flask along with methyl salicylate (2.0 mL) and a stir bar. The mixture was heated at reflux for 15 min and then progressively cooled to 5 °C. The solution was acidified with 3M sulfuric acid (15-20 mL), and the resulting solid was collected by vacuum filtration. The crude salicylic acid was recrystallized from water to yield ???? g of final solid. The melting point and IR were taken to assess purity.Calculate the molarity of the solution of sodium hydroxide that is used.a. M = b. If the original procedure is the base scale (100%), how far are we scaling down the reaction when using 0.75 mL of methyl salicylate? (Example: the original uses 2.0 mL, if we were to use 1.0 mL, we would be scaling the reaction down to 50% compared to the original)c. If we use 0.75 mL of methyl salicylate instead, how much of the water would we need instead?d. About how much water might we expect to use for the recrystallization of the salicylic acid formed from the hydrolysis of 0.75 mL of methyl salicylate? (use p36 and your answer to #d).e. About how much 3M sulfuric acid will you need to neutralize the salt that forms? 36Part 1 Exp eriments2.0 mL (2.3 g, 0.015 mol) of methyl salicylate. A white solid willALWAYS grease ground glass quickly form (see Question 3). Attach a water-cooled reflux con-joints [see Technique 2.1].denser to the round-bottomed flask [see Technique 3.3].Add one or two boiling stones to the reaction mixture to pre-vent bumping of the solution when it is heated and place a heat-ing mantle under the flask [see Technique 3.2]. Heat the reactionmixture at boiling for 15 min. The solid that forms initially willdissolve as the mixture is warmed.After the reflux period, remove the heating mantle and let themixture cool to room temperature. Placing a beaker of tap waterunder the flask speeds the cooling process.Carefully add 3 M sulfuric acid solution in approximately3-mL increments until a heavy white precipitate of salicylic acidforms and remains when the mixture is well stirred. You will needapproximately 15-20 mL of the sulfuric acid solution.After you have added just enough 3 M sulfuric acid to give aheavy white precipitate, add 2 mL more acid to ensure completeprecipitation of the salicylic acid. Cool the mixture in an ice-waterbath to about 5°C. Collect the precipitated crude product by vac-uum filtration, using a Buchner funnel [see Technique 5, Figure5.4].Recrystallization of Recrystallize the crude salicylic acid by the following procedure.Salicylic AcidHeat about 60 mL of water in a 125-mL Erlenmeyer flask on a hotplate until the water almost boils. Place the crude salicylic acid inRead Technique 5,Recrystallization, carefullybefore doing this part of theеxperiment.another 125-mL Erlenmeyer flask and add a boiling stone orwooden boiling stick. Carefully pour approximately 20 mL of hotwater over the salicylic acid and heat the flask containing the sali-cylic acid to boiling.SAFETY PRECAUTIONUse a pair of flask tongs to hold any hot flask.Continue adding approximately 5-mL portions of hot wateruntil the solid has completely dissolved, allowing a little time aftereach addition for the dissolution process to occur. When dissolu-

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