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Diffstat (limited to '615/CH7/EX7.4/7_4.sce')
| -rwxr-xr-x | 615/CH7/EX7.4/7_4.sce | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/615/CH7/EX7.4/7_4.sce b/615/CH7/EX7.4/7_4.sce new file mode 100755 index 000000000..7a6328362 --- /dev/null +++ b/615/CH7/EX7.4/7_4.sce @@ -0,0 +1,11 @@ +//water chemistry//
+//example 7.4//
+N=0.08;//normality of MgSO4//
+V1=12.5;//volume of MgSO4 in ml//
+V2=100;//volume of water sample//
+M=N/2;//molarity of MgSO4//
+N1=(M*12.5)/1000;//no of moles of MgSO4 in 100 ml water//
+N2=(N1*1000)/100;//no of moles of MgSO4 in one litre water//
+W=100;//molecular weight of CaCO3
+W1=N2*W*1000;//MgSO4 in terms of CaCO3 in mg/lit//
+printf("\nThe hardness due to MgSO4 is %fmg/l CaCO3 or ppm of CaCO3",W1);
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