2. The owner of a necklace claims that it is made of pure gold (density = 19.2 g/cm³).
The necklace has a mass of 19.21 g. When the necklace is placed in a graduated
cylinder that initially contained 20.8 mL of water, the level rose to 22.0mL?
Find the density of necklaces
Is the necklace made of pure gold?explain