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// Scilab Code Ex4.25:: Page-4.36 (2009)
clc; clear;
m = 80; // Mass of sugar in the solution, g
theta = 9.9; // Angle of rotation of the plane of polarization, degrees
l = 20; // Length of the tube, cm
S_pure = 66; // Specific rotation of pure sugar solution, degrees per dm per (g/cc)
c = 0.08; // Concentration of sugar solution, g/cc
S = 10*theta/(l*c); // calculated specific rotation of sugar solution, degrees per dm per (g/cc)
percent_purity = S/S_pure*100; // Percentage purity of sugar sample, percent
printf("\nThe percentage purity of the sugar sample = %5.2f percent", percent_purity);
// Result
// The percentage purity of the sugar sample = 93.75 percent
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