Le Chatelier’s Principle

 Magnesium hydroxide is only very slightly soluble in water. The reaction by which it goes into so­lution is: Mg(OH)2 (s) ⇌ Mg2+ (aq) + 2 OH- (aq) It’s possible to dissolve significant amounts of Mg(OH)2 in solutions in which the concentration of either Mg2+ or OH- is very, very small. Explain, using Ksp, why this is the case. Explain why Mg(OH)2 might have very appreciable solubility in 1 M HCl.

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