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Diffstat (limited to '615/CH2/EX2.22')
| -rwxr-xr-x | 615/CH2/EX2.22/2_22.sce | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/615/CH2/EX2.22/2_22.sce b/615/CH2/EX2.22/2_22.sce new file mode 100755 index 000000000..511fe4f2d --- /dev/null +++ b/615/CH2/EX2.22/2_22.sce @@ -0,0 +1,21 @@ +//acids and bases//
+//example 2.22//
+ly=11.92;//equivalent conductvity of 0.02acetic acid solution in mho at 20C//
+lih=360;//the equivalent ionic conductance of an infinite dillution of hydrogen ion in mho//
+lic=40;//of acetate ion//
+li=lih+lic;//of acetic acid//
+a=ly/li;//degree of dissociation//
+N=0.02;//normality of acetic acid//
+V=1/N;
+K=(a^2)/V;
+Ka=K/10^-6;
+printf("Dissociation constant of acetic acid is %f*10^-6",Ka);
+W=82;//mol.wt of CH3COONa//
+M=8.2//amount of sodium acetate added in g per litre solution//
+printf("\nIn the presence of sodium acetate,all the acetate ions are obtained from sodium acetate only");
+CH3COO=M/W;
+printf("\nCH3COO- ion concentration is %fg.ion/lit",CH3COO);
+printf("\nCH3COOH concentration is %fg.mol/lit",N);
+H=K*N/CH3COO;
+pH=-log10(K*N/CH3COO);
+printf("\npH of the solution is %f",pH);
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