Question: Need a full answer with reactions! UUse online /library thermodynamic data i f needed . A costal wetland experienced seawater intrusion and ensuing soil salinization

Need a full answer with reactions!

UUse online/library thermodynamic data if needed.

A costal wetland experienced seawater intrusion and ensuing soil salinization. Assuming seawater has 10-1.87mol/L Mg2+ and the soil contains sepiolite [Mg4Si6O15(OH)26H2O], at what pH would seawater, amorphous SiO2 (K = 2x10-3), and sepiolite all be in equilibrium?

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