Research Article

Synthesis of MnO2 Hollow Nanospheres through Selective Etching Method as an Effective Absorbent to Remove Methyl Orange from Aqueous Solution

Table 4

Values of thermodynamic parameters for the adsorption of the MO dye on the MHNSs.

(K) (kJ mol-1) (kJ mol-1) (J mol-1 K-1)

2737.3756-16.740-16.825-1.160
2886.7616-16.189
3036.6528-16.759