33. Solution to Chemistry Problem

33. Solution to Chemistry Problem

32. The following data were obtained on the adsorption of acetic acid from aqueous solutions on charcoal (in all cases the volume of the solution with charcoal was constant, 200)
Show that these data satisfy the Freundlich adsorption isotherm x/m = K * Ce1/n, where x is the number of grams of adsorbed acid. Estimate the constants K and n.
C0, molarity of CH3COOH in the solution before adding charcoal 0.503 0.252 0.126 0.0628 0.0314 0.0157
Ce, molarity of CH3COOH remaining in the solution at equilibration. 0.434 0.202 0.0899 0.0347 0.0113 0.00333
weight of coal m, g 3.96 3.94 4.00 4.12 4.04 4.00

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