A sheet of FCC iron is exposed to a carburizing atmosphere on one side and a decarburizing atmosphere on the other.
The sheet is 3.462x10^0 mm thick and the diffusion is carried out at 1150°C.
After it reaches steady state, the iron is quickly cooled to room temperature. The carbon concentration at the carbon-rich surface is determined to be 8.415x10^0 at%. The diffusion coefficient is found to be 3.267x10^-11 m2/s, and the diffusion flux is 5.844x10^-7 kg/m^2-s).
Calculate the carbon concentration on the other side of the iron sheet (in kg/m^3).
The densities of carbon and iron are 2.25 and 7.87 g/cm3, respectively.
The atomic weights of carbon and iron are 12.01 and 55.85 g/mol, respectively.