How much does 1.0 ft^3 of mercury weigh given the density of mercury is 13.6 g/ml?

Answer 1

a mL is a cm^3

a foot is ... 2.54 * 12 cm

1 ft^3 Hg
... mass = (2.54 * 12)^3 * 13.6 g

multiply by g to find the weight