An irregularly shaped object that has a mass of 40 g is placed into a graduated cylinder filled with 30 mL of water. The object causes the water to displace to 50 mL. What is the density of the object?

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Answer 1 · 2016-05-13T07:56:53

#rho# #=# #2*g*mL^-1#.

#rho, "density" ="Mass"/"Volume"#.

The object displaces a volume of #(50-30)*mL =20*mL#. Given that we know the mass the calculation of the density is now easy.