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authorpriyanka2015-06-24 15:03:17 +0530
committerpriyanka2015-06-24 15:03:17 +0530
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+clc
+clear
+printf("example 2.28 page number 82\n\n")
+
+//to find hardness of water
+
+volume_NaCl=50 //in l
+c_NaCl=5000 //in mg/l
+
+m=volume_NaCl*c_NaCl;
+equivalent_NaCl=50/58.5;
+
+hardness=equivalent_NaCl*m;
+
+printf("hardness of water = %f mg/l",hardness/1000)