The density of a gold bar is 19.3 g/mL. What is this density in pounds/gallon?

Question

Show work in dimension analysis method.

Answer 1

1 Gal = 3.785 L

1 Kg = 2.205 lb

1000 mL/ 1 L

= 19.3 g/mL x 1kg/ 1000g x 2.205 lb / 1 kg

= 0.042556 lb/mL

= (0.042556 lb/mL) x (1000 mL / 1L ) x (3.785 L / 1 gal)

= 161.066 lb/ gal