6.6 B Density

A manufacturer selected a metal to use in producing a lightweight button for clothing. A metal that has a density of 2.71 g/cm³ was selected.

• Metal 1

• Metal 2

• Metal 3

• Metal 4

For an investigation a student records data about four unknown substances.

The student then calculates the densities of the unknown substances and compares them with the table of densities of known substances shown.

Which unknown substance is most likely carbon?

• Substance 1

• Substance 2

• Substance 3

• Substance 4

A balance and a graduated cylinder are used to determine the density of a mineral sample. The sample has a mass of 14.7 g and a volume of 2.2 cm³. What is the density of the mineral sample?

• 0.15 g/cm³

• 32 g/cm³

• 13 g/cm³

• 6.7 g/cm³