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+clear;
+clc
+
+//Example 2a
+//Using Avogadro no. find the numerical value of concentration of atom in Germanium
+
+//Given Values
+
+Av=6.02*(10^23) //Avogadro No.
+m=72.6 //Molar mass of germanium in gm/moles
+d=5.32//density in gm/cm^3
+
+conc = (Av/m)*d //Concentration of atom in germanium
+
+disp('atom/cm^3',conc,'The concentration of germanium atom is=');
+
+//End
+\ No newline at end of file