A piece of metal (mass = 17.676 g)is placed in 11.00 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) 1.14 g/mL.
B) 2.65 g/mL.
C) 3.963 g/mL.
D) 5.94 g/mL.
E) 3.96 g/mL.

Question

Quizplus · Accepted Answer

The volume of the metal is the increase in chloroform level, which is 15.46 mL - 11.00 mL = 4.46 mL. Density is mass/volume, so 17.676 g / 4.46 mL = 3.96 g/mL.

A Piece of Metal (Mass = 17