Talc Is a Mineral That Has Low Conductivity for Heat

question 16

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

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