Moles of Hg = 11.9
Further explanation
Density is a quantity derived from the mass and volume
Density is the ratio of mass per unit volume
The unit of density can be expressed in g/cm³ or kg/m³
Density formula:
[tex]\tt \rho=\dfrac{m}{V}[/tex]
ρ = density
m = mass
V = volume
Density = 13.55 g/ml
volume = 176 ml
[tex]\tt mass=volume\times density\\\\mass=176\times 13.55=2384.8~g[/tex]
[tex]\tt mol=\dfrac{mass}{Ar}\\\\mol=\dfrac{2384.8}{200.59}=11.88\approx 11.9[/tex]
