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//Calculate the Mean Activity coefficient of Cupper Sulphate
//Example 8.9
clc;
clear;
m1=0.010; //Molarity of the solution in m
z1=2; //Charge on cation
z2=-2; //Charge on anion
I=(1/2)*((m1*z1^2)+(m1*z2^2)); //Ionic strength of the solution in m
gyma=10^(-0.509*abs(z1*z2)*sqrt(I)); //Mean Activity coefficien of CuSO4
printf("Mean Activity coefficient = %.3f",gyma);
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