Data Analysis & Calculations
Instructions: Record all measurements to the correct precision of the device & with units! Measurements with no units will receive a deduction!
Part A. Volume Measurements
Measurements using graduated cylinders
- Scale Increments of each graduated cylinder
- 10-mL graduated cylinder: _________
- 25- mL graduated cylinder: ________
- 50- mL graduated cylinder: ________
- 100- mL graduated cylinder: ________
Table A.1 Measurements using the 50-mL Beaker
| Instrumentation | Volume |
|---|---|
| 50-mL beaker | ~ 10 mL |
| 10-mL graduated cylinder | |
| 25-mL graduated cylinder | |
| 50-mL graduated cylinder | |
| 100-mL graduated cylinder |
Table A.2 Measurements using the 50-mL Beaker
| Instrumentation | Volume |
|---|---|
| 50-mL beaker | ~ 40 mL |
| 25-mL graduated cylinder | |
| 50-mL graduated cylinder | |
| 100-mL graduated cylinder |
Table A.3 Measurements using the 250-mL Beaker
| Instrumentation | Volume |
|---|---|
| 250-mL beaker | ~ 100 mL |
| 50-mL graduated cylinder | _____ + _____ = |
| 100-mL graduated cylinder |
Table A.4 Measurements using the 125-mL Erlenmeyer Flask
| Instrumentation | Volume |
|---|---|
| 125-mL Erlenmeyer Flask | ~ 50 mL |
| 50-mL graduated cylinder | |
| 25-mL graduated cylinder | _____ + _____ = |
Part B. Mass Measurements
Measurements using 50 mL beaker
- Mass of beaker
- Trial 1: _______
- Trial 2: _______
- Trial 3: _______
- Trial 4: _______
- Trial 5: _______
Average mass: ______
Show calculations of average mass here:
Standard Deviation: _____
Show calculations of standard deviation here:
Table B.1 Class Average Mass Measurements
| Group Names | Average 50-mL beaker mass measurement |
|---|---|
| 1. | |
| 2. | |
| 3. | |
| 4. | |
| 5. | |
| 6. | |
| 7. | |
| 8. |
- Calculate the standard deviation of the class data set here
Standard Deviation: _____
Show calculations of standard deviation here:
