338 grams of the organic liquid hexane is poured into a tall cylindrical container that has a base with radius 2.91 cm. Given that hexane has a density of 0.66 g/mL, what is the distance (in cm) between the bottom of the cylinder and the surface of the liquid?

the volume of hexane is

... 338 g / .66 g/mL

the height of the liquid is
... (hexane vol) / (π *2.91^2)