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diff --git a/858/CH2/EX2.8/example_8.sce b/858/CH2/EX2.8/example_8.sce
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+++ b/858/CH2/EX2.8/example_8.sce
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+clc
+clear 
+printf("example 2.8 page number 73\n\n")
+
+//to find molarity,molality and normality
+
+w_H2SO4=0.15    //in gm/1gm solution
+density=1.10   //in gm/ml
+m=density*1000;   //mass per liter
+weight=m*w_H2SO4;   //H2SO4 per liter solution
+molar_mass=98;
+
+Molarity=weight/molar_mass;
+printf("Molarity = %f mol/l\n\n",Molarity)
+
+equivalent_mass=49;
+normality=weight/equivalent_mass;
+printf("Normality = %f N\n\n",normality)
+
+molality=176.5/molar_mass;
+printf("Molality = %f",molality)