CHEM 111 – Spring 2020
Experiment 4: The Use and Abuse of Aluminum and Its Compounds
Read through the experimental procedure in Chemtrek and watch the associated experiment videos in
Canvas. In the provided spaces, write a lab goal, summarize the procedure, record your observations,
and complete all questions included in this report sheet. Upload the completed report sheet to Canvas
by 11:59PM the day of your lab.
Section A: Recycling Aluminum – The synthesis of Alum (Potassium
Goal: To make an alum, do a qualitative analysis on the alum, determine its melting point,
and investigate a commercially available drain opener.
Procedure: Thompson, S. PSU Chemtrek: Expt. 4 The Use & Abuse of Aluminum and Its
Compounds; Keiser, J., Hayden-McNeil Publishing. Plymouth, MI, 2020 pp 4-1 to 4-18.
) Watch the demonstration video to observe the synthesis of alum. In the space
below, summarize the experiment and your observations:
What do you observe in Steps 4 and 5?