Name:_____________________________
DENSITY LAB QUIZ
Methanol Experimental Data
Volume (mL)
5.0
10.0
15.0
20.0
Mass (g)
23.0
13.0
9.0
4.0
Information you may need:
Percent error=|
𝑒𝑥𝑝𝑒𝑟𝑖𝑚𝑒𝑛𝑡𝑎𝑙 𝑣𝑎𝑙𝑢𝑒−𝑎𝑐𝑐𝑒𝑝𝑡𝑒𝑑 𝑣𝑎𝑙𝑢𝑒
|∗
𝑎𝑐𝑐𝑒𝑝𝑡𝑒𝑑 𝑣𝑎𝑙𝑢𝑒
100%
The actual density of methanol is 0.78 g/mL
QUESTIONS:
1. Create a graph using good graphing practices.
Name:_____________________________
2. What is the equation of the line (y=mx+b)? Round slope and b value to three significant figures
for simplicity.
3. Use your mathematical relationship to calculate the mass of 6.5 mL of methanol.
4. What is the percent error associated with this experiment?
5. Did this student do a good job collecting data. Why or why not?