Talc Is a Mineral That Has Low Conductivity for Heat

Multiple Choice

Talc is a mineral that has low conductivity for heat and electricity and that is not attacked by acid. It is used as talcum powder and face powder. A sample of talc weighs 35.97 g in air and 13.65 g in mineral oil (d = 1.75 g/cm³) . What is the density of talc?

A) 4.61 g/cm ³
B) 2.82 g/cm ³
C) 2.63 g/cm ³
D) 2.44 g/cm ³
E) 1.61 g/cm ³