can you solve the analytical part please, and if there is graph please provide it

Artificial Nose A research group has developed an artificial nose and they tested the efficiency of the artificial nose. What is the time taken for x = L meter to reach the threshold concentration? One dimension Source of Chemicals 00 Initial Concentration x = Lm Time ??? 4 Chemical Methanol D (m2/s) 7.9 x 10-9 Co (MM) 150 L (m) 0.6 Threshold Conc (mg/m3) 5242 Q2) Calculate the time using (1) Numerical and (2) Analytical method 1. Find the time of mass transfer based on the given information - Numerical Analysis - Analytical Solution 2. What are boundary conditions? 3. Plot a graph demonstrating the temperature profile of depth (or distance) with time. Analytical Solution Error Function? 2 erf z = 1 in loc e-t2 dt