An object with a mass of 7.5 g raises the level of water in a graduated cylinder from 25.1 mL to 30.1 mL. What is the density of the object?

1 Answer
Jul 8, 2017

Answer:

#rho=1.50*g*mL^-1#

Explanation:

By definition, #rho_"density"="Mass"/"Volume"#, and thus it typically has the units #g*mL^-1#; in this example your #7.5*g# mass displaces a #5.0*mL# of water, and thus........

#rho=(7.5*g)/((30.1-25.1)*mL)=1.50*g*mL^-1#.......