The actual yield is 4.951 What is the percentage yield of the reaction ? cical Manual_Praktika Handleiding_2021.pdf28 / 86136%Part 2: Reflux reaction6. Open the tap and ensure that the Liebig condenser is completely filled with runningwater. The piping and water will be already switched on using the water savingsystem. Ensure that the pipes are handled with care as water can easily leak out.7. Light the Bunsen burner and place it + 2 cm below the round-bottom flask to heatthe solution.8. Boil the mixture under reflux for 30 minutes.9. Extinguish the flame and allow the flask and its contents to cool to roomtemperature.10. Quantitatively transfer the reaction mixture to a 250 cm3 glass beaker.Work-up of product11.Acidify the reaction mixture by adding 3 M H2SO4 (approximately +5 cm3 at a time).Use Congo red paper to determine when the mixture is acidic.12.After confirming that the reaction mixture is acidic add a further 15 cm3 of H2S04.13.Place the beaker in an ice bath (a larger beaker containing ice and water) to cooldown the mixture. A white precipitate should form as your final product.26 Part 1: Preparation of reaction mixture1. Add 2 x 20 cm3 of the 20% NaOH solution to the 250 cm3 round-bottom flask. Usea funnel to prevent the neck of the flask from getting wet.2. Use another clean funnel to add 3 cm3 of methyl salicylate to the solution in theflask.3. Add a pinch of boiling chips to the mixture.4. Make sure that the neck of the flask is clean and dry before lightly greasing theneck with tap grease.5. Assemble the apparatus for reflux (see figure below).water outletLiebig condenserwater inletclampsreaction flaskretort standblue flamemetal standbunsen burner

Percent yield is the percent amount of product actually formed with reference to that of theoretical…

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The actual yield is 4.951 What is the percentage yield of the reaction ?

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

The actual yield is 4.951 What is the percentage yield of the reaction ?

cical Manual_Praktika Handleiding_2021.pdf
28 / 86
136%
Part 2: Reflux reaction
6. Open the tap and ensure that the Liebig condenser is completely filled with running
water. The piping and water will be already switched on using the water saving
system. Ensure that the pipes are handled with care as water can easily leak out.
7. Light the Bunsen burner and place it + 2 cm below the round-bottom flask to heat
the solution.
8. Boil the mixture under reflux for 30 minutes.
9. Extinguish the flame and allow the flask and its contents to cool to room
temperature.
10. Quantitatively transfer the reaction mixture to a 250 cm3 glass beaker.
Work-up of product
11.Acidify the reaction mixture by adding 3 M H2SO4 (approximately +5 cm3 at a time).
Use Congo red paper to determine when the mixture is acidic.
12.After confirming that the reaction mixture is acidic add a further 15 cm3 of H2S04.
13.Place the beaker in an ice bath (a larger beaker containing ice and water) to cool
down the mixture. A white precipitate should form as your final product.
26

Part 1: Preparation of reaction mixture
1. Add 2 x 20 cm3 of the 20% NaOH solution to the 250 cm3 round-bottom flask. Use
a funnel to prevent the neck of the flask from getting wet.
2. Use another clean funnel to add 3 cm3 of methyl salicylate to the solution in the
flask.
3. Add a pinch of boiling chips to the mixture.
4. Make sure that the neck of the flask is clean and dry before lightly greasing the
neck with tap grease.
5. Assemble the apparatus for reflux (see figure below).
water outlet
Liebig condenser
water inlet
clamps
reaction flask
retort stand
blue flame
metal stand
bunsen burner

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