The mass of Gillian's sample is 20 g
Definition of density
The density of an object is defined as the mass of the object per unit volume of the object. Mathematically, it can be expressed as:
Density = mass / volume
How to determine the mass of Gillian's sample
From the question given above, the following data were obtained:
- Density = 10 g/cm³
- Volume = 2 cm³
- Mass =?
Density = mass / volume
10 = mass / 2
Cross multiply
Mass = 10 × 2
Mass of Gillian's sample = 20 g
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