Making soap

Experiment 1. 

Making soap

1.INTRODUCTION

Chemical reaction:    oil + sodium hydroxide =  soap + glycerol

2. OBJECTIVES

 - preparing soap with oil

-  learning lab equipment

3. MATERIALS

Chemicals

-       Olive oil

-       Sodium hydroxide

-       Colorant

-       Aroma

-       water

Equipment

-       Beaker

-       Digital balance

-       Pipette Pasteur

-       Measuring cylinder

-       Watch glass

4. EXPERIMENTAL PROCEDURE

1.Weigh 10 g of sosa.

2.Measure with the graduated cilinder 25 ml of water

3.Add the water to the sosa.

4.Stir with the rod until the soda is completely dissolved.

5.Measure with the graduated cilinder 50 ml of oil.

6.Add oil slowly to the mixture of water with the soda and at the same time stir constantly.

7.Add 2 drops of colorant.

8.Add two drops of aroma.

9. When the mass is soft, pour the mold.

5. RESULTS

1. Describe the appearance of your soap (colour, shape, …)

2. Did you find problems in the procedure?