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What is the chemical reaction of …

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What is the chemical reaction of magnesium hydroxide ?
  • 1 answers

Gaurav Seth 5 years, 4 months ago

When a solution of magnesium salts is combined with alkaline water it instigates precipitation of solid magnesium hydroxide. The reaction is as follows:

Mg2+ + 2 OH → Mg(OH)2

Commercially it is produced by treating lime and sea water. Approximately one ton of magnesium hydroxide is obtained from 600 m3 of seawater. Calcium hydroxide is more soluble in magnesium hydroxide therefore Mg(OH)2 precipitates as a solid. The reaction is as follows:

MgO + H2O → Mg(OH)2

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