2. Using experimental data on the adsorption of aniline from its aqueous solution on coal, determine graphically the constants of the Langmuir equation:
Initial concentration C0*104, kmol/m3 3.0 5.0 10.0 15.0 20.0
Equilibrium concentration C*104, kmol/m3 1.0 4.0 7.5 12.5 17.5
Adsorption value A*103, kmol/kg 0.22 0.58 0.76 0.87 0.92

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