Well, isn't that just a happy little question! To find density, you simply divide the mass by the volume. So, for your example, the density would be 20g divided by 5cm3, giving you a density of 4g/cm3. Just like painting a beautiful landscape, math can be a peaceful and rewarding experience when you take it one step at a time.
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The density is calculated by dividing the mass by the volume. In this case, density = mass/volume = 20g / 5 cm^3 = 4 g/cm^3.
To find the density of an object, you need to divide its mass by its volume. In this case, the mass is 20g and the volume is 10cm3. Therefore, the density would be 20g divided by 10cm3, which equals 2g/cm3.
Note 5cm isn't a volume it is a length therefore for the answer we are assuming the volume is 5cm3 Density = mass/volume Density = 15g/5cm3 = 0.015kg/0.000005m3 Density = 3g/cm3 or in SI units 3,000kg/m3
density = mass/volume = 100g/50mL = 2g/mL
You cannot directly associate weight and volume. You firstly need to know the shape and other dimensions in order to find the volume. Then you need to apply the density of the material, i.e. what it weighs per volume.
The mass of lithium oxide (Li2O) is 8,o9 g.