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////Variable Declaration
m = 0.5 //Mass of water, kg
ms = 24.0 //Mass of solute, g
Ms = 241.0 //Molecular wt of solute, g/mol
Tfd = 0.359 //Freezinf point depression, °C or K
kf = 1.86 //Constants for freezing point depression for water, K kg/mol
//Calculations
msolute = ms/(Ms*m)
gama = Tfd/(kf*msolute)
//Results
printf("\n Activity coefficient = %4.3f",gama)
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