The mass per volume measure of the substance is said to be its density.
The formula of density is:
[tex]density = \frac{mass}{volume}[/tex] -(1)
Mass of mercury sample = [tex]589.0 g[/tex] (given)
Volume of mercury sample = [tex]43.86 mL[/tex] (given)
Substituting the values in formula (1)
[tex]density = \frac{589 g}{43.86 mL}[/tex]
[tex]density = 13.43 g/mL[/tex]
Hence, the density of mercury is [tex]13.43 g/mL[/tex].