Featured in PASCO’s College Chemistry Instructor Guide
College Instructor edition with 36 experiments covering introductory and general chemistry topics.
Use a stainless steel temperature sensor to help confirm the identity of a sample of alum synthesized in Lab 15a by conducting both qualitative and quantitative analyses.
Students confirm the identity of a sample of alum by conducting both qualitative and quantitative analyses.
Students gain experience conducting the following procedures:
Ring stand with ring
Crucible with lid
Test tubes, 10 mL - 2
Watch glass, 100-mm - 2
Balance - 1 per class
Centrifuge - 1 per class
Wire with a loop on the end, 4 in.
0.2 M Barium chloride (BaCl2) - 1 mL
6 M Sodium hydroxide (NaOH) - 5 mL
6 M Hydrochloric acid (HCl) - 5 mL
Borax - 0.5 g
Alum from previous experiment - 3 g
Water - 200 mL
Distilled water - 10 mL
This experiment may require software and an interface for data collection.