Question

A cube of butter weighs 0.200 lb and has a volume of 115.3 mL.
Express the density in grams per milliliter to three significant figures.

Answer 1

$$0.200 Ib = 90.718 grams$$

$$\rho = m/V$$ $$\rho = 90.718g/115.3mL = 0.787 g/mL$$

Answer: 0.787 g/mL