|
Experiment
17
Titration
of a Diprotic Acid: Identifying an Unknown
GRADING
SCALE
| Objective |
|
5
pts |
| Procedure |
|
10 pts |
| Observations |
|
4 pts |
| Data Recording |
|
12 pts |
| Results/Conclusions |
|
10 pts |
| Graph, ensure
proper labels and title |
|
8 pts |
Setups/Calculations
3 points per set up
max. 5
pts deduction for sig. figs.
max. 5 pts deductions for units
|
|
21
pts |
Accuracy
deduction
| 0 |
0-2%
error |
| 3 |
2
- 6% error |
| 6 |
6
- 10 % error |
| 12 |
>
10% error |
|
|
20
pts |
TA discretionary
Clean up (wiped off bench top with wet paper towel, clean and put glassware away, leave stir bar on magnetic stirred), compliance with safety rules, proper waste disposal.
|
|
10
pts |
|
|