Name: ____________________________________
Date: __________________
Lab #:_____________
Separation of a Mixture Lab
Purpose: In this lab you must develop a procedure for the isolation and recovery of each of the individual
materials in a given mixture. ___________, ____________, ___________, ___________. You must
then execute the procedure you and your lab partners developed.
Materials: List ALL of the materials used during the separation process. (10 points)
Procedure: Below, provide a detailed list of steps taken to isolate and recover each substance. Include
safety precautions.
First substance removed: _________________
Procedure (20 points):
Safety (5 points):
Second substance removed: _________________
Procedure (20 points):
Safety (5 points):
Third substance removed: _________________
Procedure (20 points):
Safety (5 points):
Fourth substance removed: _________________
Procedure (20 points):
Safety (5 points):
Data: Report all of the following masses (10 points), using significant figures (5 points)
Substance
Entire Mixture BEFORE
separation
Mass of Container
Mass of Substance
WITH container
Mass of Substance
WITHOUT container
Show Work (10 points)
Substance
Mass of Container
Mass of Substance
WITH container
Mass of Substance
WITHOUT container
(show work in box 50 points)
Sum of all masses of
the Separated
substances after the
separation
Analysis:
1.) Explain why this mixture is heterogeneous? (5 points)
2.) Identify the physical property for each substance that allowed you to isolate and recover it from
the others (4 points)
1.) _____________: _________________
3.) _____________: _______________
2.) _____________: _________________
4.) _____________: _______________
3.) What separation technique did you use to separate each substance? (4 points)
1.) _____________: _________________
3.) _____________: _______________
2.) _____________: _________________
4.) _____________: _______________
4.) Calculate your percent error of recovery. Use the formula from Table____. Use the mass of the
entire mixture before separation as the accepted value and use the sum of the four masses of
the separated substances after separation as the measured value. Show all work. (10 points)