density = mass / volume
= 13 g / 5 cm3
= 2.6 g/cm3
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The density of a substance is calculated by dividing its mass by its volume. In this case, the mass of the quartz is 13g and its volume is 5cm³. Therefore, the density of the quartz can be calculated as 13g / 5cm³ = 2.6 g/cm³.
Pyrite has a density of 4.8-5g/cm3 mass = density x volume = (4.8-5)g/cm3 x 10 cm3 = 48 to 50 grams.
13/5 = 2.6 g per cm3
Density = mass/volume = 5/12 = 0.4166... gms per cm3. This figure is well below the density of lithium, the least dense of metallic elements.
What would be the density of an object that has a volume of 25 cm3 and 5 grams?