How to decompose magnesium hydroxide?
Can magnesium hydroxide, Mg(OH)2, be decomposed by adding heat?
Formula: Mg(OH)2 ---> MgO + H2O
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Can magnesium hydroxide, Mg(OH)2, be decomposed by adding heat?
Formula: Mg(OH)2 ---> MgO + H2O
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MgO is formed by heating MgCO3 to about 700 degrees and driving off CO2. MgCl2.6H2O can be heated also to form MgO. I am not sure if you can form MgO by just heating Mg(OH)2. But Mg(OH)2 can be dissolved readily in solutions of ammonium salts releasing H2O and Mg+
Mg(OH)2 + 2NH4+ -> Mg2+ + 2NH3 + 2H2O
YES!! it can be!
That is how we form MgO in the lab!