clc

Msi=28.9//g/mole
Dsi=2.33//g/cm^3
Msidi=60.08//g/mole
Dsidi=2.21//g/cm^3

vsi=Msi/Dsi
disp(vsi,"vsi in cm^3/mole is= ")
vsidi=Msidi/Dsidi
disp(vsidi,"vsidi in cm^3/mole is= ")
T=vsi/vsidi
disp(T,"T is ratio of Thickness of Si to SiO2 is= ")