use formula: density = mass per volume
so the density is 2000 g / 4000 cm3 = 0.5 g/cm3
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Density is actually weight divided by volume. 2000/4000 is 0.5 grams per centimetre cubed
density = mass ÷ volume= 20 g ÷ 12 cm3≈ 1.67 g/cm3
density = mass/volume If you know density and mass, you can calculate the volume by manipulating the density equation such that volume = mass/density. Example: density = 3.57g/cm3 mass = 2.4g volume = ? volume = mass/density = 2.4g/3.57g/cm3 = 0.67cm3
Density = Mass/Volume = 13.6 g/cm3
density = mass ÷ volume = 30 g ÷ 10 cm3 = 3 g/cm3