M Prep | MCAT 2015 Question of the Day - Prep, Practice Questions, and More!

Q:

To test whether a gold crown is made of pure gold (ρ = 19 g/cm³) or a gold-silver alloy with a density of 15 g/cm³, the crown is dipped into water and the displaced volume is measured. What would the difference in displaced volumes be between the pure-gold crown and the gold-silver alloy crown if it masses 380 g?

A

4 mL

B

5 mL

C

20 mL

D

25 mL