A saturated solution of magnesium hydroxide dissociates according to the following equation: Mg(OH) 2 (s) Mg

Question:

A saturated solution of magnesium hydroxide dissociates according to the following equation: 

Mg(OH)2(s) ⇌ Mg2+ (aq) + 2 OH(aq) 

Predict the direction of equilibrium shift for each of the following stresses:

(a) Increase [Mg2+]

(b) Decrease [Mg2+]

(c) Increase [OH]

(d) Decrease [OH]

(e) Add solid KOH

(f) Add solid KNO3

(g) Add solid Mg(OH)2

(h) Decrease pH.

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