RESULTS Table 1. Experimental data of biodiesel Compounds Volume (ml) Mass (g) Density (g/cm³) Vegetable oil 130 Bio fuel 17.5 Disregarded 28.15 0.9 1.61 Glycerol Disregarded 28.15 1.26 PROCEDURE 1. In a 100 ml Erlenmeyer flask equipped with a clamp, stir 40 ml of MeOH and 1.3 g of solid NaOH at room temperature to make a solution. 2. In another 250 ml round bottom flask, add 130 ml of vegetable oil and heat the flask with the oil to 50 °C using a water bath with magnetic stirring. 3. Add methoxide solution to the oil and stir the mixture for 1 hour, maintaining the indicated temperature. 4. Transfer the flask contents to a separatory funnel and allow the mixture to stand until the two layers separate. The top layer corresponds to biodiesel and the bottom layer is the glycerol. 5. Use the separatory funnel stopcock to separate the two layers. If the glycerol does not pour freely, the biodiesel can be removed from the top of the separatory funnel using a pipette. 5. Measure the resulting volume with a graduated cylinder and weigh the same cylinder to determine the density.

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Discuss the results scientifically for the conversion of cooking oil to biodiesel if the procedure was as given with the results (atttached). Also provide reaction mechanisms showing what happened in each step of reaction
RESULTS
Table 1. Experimental data of biodiesel
Compounds
Volume (ml)
Mass (g)
Density (g/cm³)
Vegetable oil
130
Bio fuel
17.5
Disregarded
28.15
0.9
1.61
Glycerol
Disregarded
28.15
1.26
Transcribed Image Text:RESULTS Table 1. Experimental data of biodiesel Compounds Volume (ml) Mass (g) Density (g/cm³) Vegetable oil 130 Bio fuel 17.5 Disregarded 28.15 0.9 1.61 Glycerol Disregarded 28.15 1.26
PROCEDURE
1. In a 100 ml Erlenmeyer flask equipped with a clamp, stir 40 ml of MeOH and 1.3 g of solid
NaOH at room temperature to make a solution.
2. In another 250 ml round bottom flask, add 130 ml of vegetable oil and heat the flask with
the oil to 50 °C using a water bath with magnetic stirring.
3. Add methoxide solution to the oil and stir the mixture for 1 hour, maintaining the indicated
temperature.
4. Transfer the flask contents to a separatory funnel and allow the mixture to stand until the
two layers separate. The top layer corresponds to biodiesel and the bottom layer is the
glycerol.
5. Use the separatory funnel stopcock to separate the two layers. If the glycerol does not pour
freely, the biodiesel can be removed from the top of the separatory funnel using a pipette.
5. Measure the resulting volume with a graduated cylinder and weigh the same cylinder to
determine the density.
Transcribed Image Text:PROCEDURE 1. In a 100 ml Erlenmeyer flask equipped with a clamp, stir 40 ml of MeOH and 1.3 g of solid NaOH at room temperature to make a solution. 2. In another 250 ml round bottom flask, add 130 ml of vegetable oil and heat the flask with the oil to 50 °C using a water bath with magnetic stirring. 3. Add methoxide solution to the oil and stir the mixture for 1 hour, maintaining the indicated temperature. 4. Transfer the flask contents to a separatory funnel and allow the mixture to stand until the two layers separate. The top layer corresponds to biodiesel and the bottom layer is the glycerol. 5. Use the separatory funnel stopcock to separate the two layers. If the glycerol does not pour freely, the biodiesel can be removed from the top of the separatory funnel using a pipette. 5. Measure the resulting volume with a graduated cylinder and weigh the same cylinder to determine the density.
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