71. Solving a chemistry problem
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71. Solving a chemistry problem
72. Determine the surface excess (kmol / m2) for aqueous solutions of isovaleric acid at 15 C, using the data:
phenol concentration, kmol/m3 0.0312 0.25
Surface tension, N/m 57.5*10-3 35*10-3
The surface tension of water is 73.49 kJ/m2
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