Mass of adsorbent/conc. of Cr (III) ions | 30˚C | 40˚C | 50˚C | 60˚C |
ΔG (kJ/mol) | ||||
1 g, 0.1 M | −0.806 | −0.42 | −0.1 | 0.44 |
1.5 g, 0.1 M | −1.23 | −0.94 | −0.42 | 0 |
2 g, 0.1 M | −1.56 | −1.38 | −0.86 | −0.34 |
1 g, 0.2 M | −1.56 | −1.38 | −1.15 | −0.89 |
1.5 g, 0.2 M | −1.84 | −1.61 | −1.37 | −1.08 |
2 g, 0.2 M | −2.07 | −1.85 | −1.56 | −1.36 |
1 g, 0.3 M | −2.22 | −2.08 | −1.93 | −1.74 |
1.5 g, 0.3 M | −2.42 | −2.21 | −2.07 | −1.91 |
2 g, 0.3 M | −2.59 | −2.37 | −2.2 | −2.1 |