(b) Surface complexation is an important factor in cation exchange. Explain, including using sketches, the terms “inner-

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(b) Surface complexation is an important factor in cation exchange. Explain, including using sketches, the terms “inner-

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B Surface Complexation Is An Important Factor In Cation Exchange Explain Including Using Sketches The Terms Inner 1
B Surface Complexation Is An Important Factor In Cation Exchange Explain Including Using Sketches The Terms Inner 1 (64.97 KiB) Viewed 45 times
(b) Surface complexation is an important factor in cation exchange. Explain, including using sketches, the terms “inner-sphere surface complexation" and "outer-sphere surface complexation”. Your answer should include the relative strength of interactions. [6 marks] (c) Consider an aqueous solution, with pH less than 9, containing Mg2+ ions. This solution is in contact with a clay surface. What type of surface complex (inner-sphere or outer-sphere) would you expect Mg2+ to form and why? [4 marks]
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