How many moles of carbon are in 2.4 moles of c₆h₆

Which is a chemical property of iron? a. it forms iron oxide (rust) when exposed to moisture and air. b. it is a gray–black metal that is hard to the touch. c. it has a melting point of 2795°f (1536°c). d. it is a good conductor of heat

Iwould appreciate if someone could me.

What is the indicator of the number of ions in solution? the amount of conductivity the amount of precipitate the amount of solute added