1 files changed, 17 insertions, 0 deletions
diff --git a/3665/CH2/EX2.12/Ex2_12.sce b/3665/CH2/EX2.12/Ex2_12.sce
new file mode 100644
index 000000000..c5873c5b0
--- /dev/null
+++ b/3665/CH2/EX2.12/Ex2_12.sce
@@ -0,0 +1,17 @@
+clc//
+//
+//
+
+//Variable declaration
+mw=23+35.5;     //molecular weight of NaCl(gm/mol)
+N=6.023*10^23;    //avagadro number(per mol)
+d=2.18;       //mass of unit volume
+
+//Calculation
+M=mw/N;     //mass of NaCl molecule(gm)
+n=2*d/M;      //number of atoms per unit volume(atoms/cm^3)
+a=(1/n)^(1/3);     //distance between 2 adjacent atoms(cm)
+
+//Result
+printf("\n distance between 2 adjacent atoms is %e cm = %0.2f angstrom ",a,a*10^8)
+