1.  Safety
2.
Objectives/Overview
3.
Procedures
4.
Observations
5.

Equipment

6.

Waste Disposal/Clean-up

7. Conclusions
8. Grading Scale 
9. Review Prelab Questions
10.
Review Postlab Questions

Experiment 21
Qualitative Analysis of a Salt Unknown

GRADING SCALE

Objective  
5 pts
Procedure  
15 pts
Observations of cation analysis  
5 pts
Observations of anion analysis  
5 pts
Conclusions, including 2 points for EPA question  
5 pts
Net ionic equations (divide points between NIE’s for
cation and for anion)
 
10 pts

Unknown
Correct cation
Repeated correct cation [20 pts for total miss on both attempts - cation]
Correct anion
Repeated correct anion [12 pts for total miss on both attempts - anion]

 
55 pts
35 pts
28 pts

20 pts
15 pts

 

 
 
 
 
 

 

Index Proceedures Charts & Tables Safety Experiments Policies Equipment Main Safety Index Procedures Charts and Tables Safety Experiments Policies Equipment Main