Preparation of Soap
1. A graduated cylinder was used to measure 12 mL of oil. The oil was added to a
125 mL Erlenmeyer flask. 40 mL of 95% ethanol and 10 mL of 25% NaOH was
added to the flask as well.
2. The flask was placed in a hot water b
The purpose of this experiment was to perform a saponification reaction to prepare a
simple soap from a vegetable oil. Emulsifying properties of soap were tested and what
happens to soap in hard or acidic water was investigated. The properties o
Isolation of Soy Proteins
1. 25.0g of soymilk was added to a 125 mL Erlenmeyer flask. 0.5g of magnesium
sulfate was added to the soymilk.
2. The flask was placed on a hot plate.
3. The soymilk was brought to a boil.
4. The mixture was then filtered throug
The purpose of this experiment was to synthesize aspirin from salicylic acid and acetic
anhydride. The % yield was calculated and the purity of the aspirin was tested with ferric
chloride. The % yield of the aspirin was 132%. The aspirin made in
Properties of Soap
1. Two test tubes were prepared with 5 mL of distilled water and 15 drops of mineral
oil. A small amount of soap was added to one test tube while the other remained
as the control. The contents of the tubes were mixed and the observatio
Color with ferric chloride
Aspirin made in Lab
Light brown with no purple
Store Bought Aspirin
Light brown with a tint of purple
See attached paper for calculations.
Our aspirin was more pure than the stor
# 1 (CaCl2 )
Cloudy with a white precipitate
#2 (MgCl2 )
#3 (FeCl3 )
Cloudy with small amount of white
#4 (Tap water)
#5 (Just soap solution)
1. Our soap did not physically appear m