Determine the Density of an unknown liquid

```Determine the Density of an unknown liquid
Name_____________________
Period_________
Unknown Number/Letter
Hypothesis - Try to determine whether the density of your liquid is greater or less than 1 by
placing a drop of the substance in a test tube filled with water.
Complete the following table for the unknown substance.
Data:
Trial
number
cylinder plus liquid
(grams)
cylinder (grams)
mass of
liquid(grams)
volume of
liquid
in (ml)
Density of
liquid
(g/ml)
1
2
3
4
5
Average
Density
Use the list of densities provided on the back to compare the density of the unknown to the actual
densities of several liquids. Use this list to identify the unknown
Identity of unknown
1.
Distilled Water
1.00 g/mL
2.
Ethanol
0.81 g/mL
3.
Isopropyl Alcohol
0.7825 g/mL
4.
Vinegar
1.015 g/mL
5.
Salt Water
1.177 g/mL
6.
Sierra Mist
1.07 g/mL
7.
Bleach
1.10 g/mL
8.
Hydrogen Peroxide
1.44 g/mL
9.
Methanol
0.7918 g/mL
USE DIMENSIONAL ANALYSIS AND CORRECT SIG FIGS
1. A block of metal has a mass of 40 grams. Its volume is 10cm 3. What is its density?
2. Pure water has a density of 1.0 g/ml. What would be the mass of 50 ml of water?
3. a. Aluminum has a density of 2.7 g/ml. What is the mass of 10 ml of aluminum?
4. Copper has a density of 8.9 g/ml. How much space does a 50 gram piece of copper take
up?
5. Zinc has a density of 7.1g/mL. A piece of zinc has a volume of 60 ml. What is the mass
of this piece of zinc?
6. A wood block has a length of 10cm, a width of 5 cm and a height of 2 cm. Its mass is
200 grams. What is its density?
```
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