Calculate density from mass and volume
The idea
Density equals mass divided by volume: density = mass ÷ volume.
Step by step
- Density equals mass divided by volume: density = mass ÷ volume.
- Use matching units, such as grams and cubic centimeters.
- A larger sample can have more mass without having greater density.
Example
A sample has mass 24 g and volume 8 cm3. What is its density?
Answer
3 g/cm3
Density = 24 ÷ 8 = 3 g/cm3.
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Compare two invented samples with equal volume and different masses. Explain which is denser.
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