a graduated cylinder containing 75.0 mL of water has a mass of 149.86 g. A piece of metal is added to the cylinder and the volume of the water changes to 86.3 mL. The mass of the graduated cylinder, water and metal rises to 218.90 g.

Answer 1

What is the question? Density of the object?

D=mass/volume=(218.8-149.86)/(86.3-75.0)