| 1. | Safety |
| 2. |
Objectives/Overview |
| 3. |
Procedures |
| 4. | Observations |
|
5. |
Equipment |
| 6. | View
Techniques: |
| 7. | Sample Calculations |
| 8. | |
| 9. | Calculations/Set-ups |
| 10. | Conclusions |
| 11. | Grading Scale |
|
12. |
Review Prelab Questions |
| 13. | Review Postlab Questions |
- Experiment
5
Standardization
of NaOH by Titration
SAMPLE CALCULATIONS
Please refer to Calculation Set-ups for appropriate equations.
Preparation
of Diluted Base
Balancing
the Chemical Equation
Sample
Titration Question
A 10.00 mL sample of 0.5000 M H2SO4 was titrated
with a diluted base solution. The initial burette reading of the base
was 2.30 mL and the final burette reading at the endpoint was 36.20
mL.
Moles
of H2SO4 Used
Moles
of NaOH Added
Calculate and record the moles of NaOH added with the correct number
of significant figures in scientific notation.
Calculate
the Volume (mL) of NaOH Added
Calculate the volume (mL) of the NaOH solution added. Report your answer
with the correct number of significant figures.
Volume
(L) of NaOH Added
Calculate the volume of the NaOH solution added in liters. Report your
answer with the correct number of significant figures in scientific
notation.
Molarity
of NaOH
Calculate the M of the NaOH solution. Report your answer with the correct
number of significant figures.
Average
Molarity
Calculate the average M given the following experimental molarities
of NaOH: 0.2950 M, 0.2936, 0.2945 M.
Range
of Molarities
Calculate the range (M) given the following experimental molarities
of NaOH: 0.2950 M, 0.2936, 0.2715 M. Your range should be less than
0.0200 M. Report your answer with the correct number of significant
figures.
