What is density?
The density of a substance is defined as the mass of the subtance per unit volume of the substance. Mathematically, it can be expressed as:
Density = mass / volume
How to determine density
For example, unknown liquid has a mass of 30.8 g, and a volume of 31.5 mL. What is the density of this liquid?
We can obtain the density as follow:
- Mass = 30.8 g
- Volume = 31.5 mL
- Density =?
Density = mass / volume
Density of liquid = 30.8 / 31.5
Density of liquid = 0.98 g/mL
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