A piece of metal (mass = 17.268 g)is placed in 10.50 mL of chloroform (d = 1.498 g/mL)in a 25-mL graduated cylinder.The chloroform level increases to 15.46 mL.The best value for density of this metal from these data is
A) 1.12 g/mL.
B) 2.32 g/mL.
C) 3.481 g/mL.
D) 5.22 g/mL.
E) 3.48 g/mL.

Question

Quizplus · Accepted Answer

To find the density of the metal, use the formula density = mass/volume. The volume of the metal is the change in chloroform level, which is 15.46 mL - 10.50 mL = 4.96 mL. The mass of the metal is given as 17.268 g. Therefore, the density of the metal is 17.268 g / 4.96 mL = 3.48 g/mL.

A Piece of Metal (Mass = 17