Question

explain stepwise how to prepare milk from magnesia​

Answer 1

Explanation:

magnesia can be prepared by combining many solutions of magnesium salts with basic or alkaline water. The resulting chemical reactions usually involve the precipitation of solid milk of magnesia. The ionic chemical reaction that takes place here can be expressed as follows:

2OH– + Mg2+ → Mg(OH)2 [Milk of Magnesia]

However, the production of milk of magnesia on a commercial scale cannot be achieved in an efficient manner using the technique described above. For the commercial production of magnesium hydroxide, seawater can be treated with calcium hydroxide (also known as lime). It is interesting to note that one ton of milk of magnesia can be obtained from six hundred cubic metres of seawater. The reason milk of magnesia is precipitated as a solid in this reaction is because calcium hydroxide is far more soluble in water than magnesium hydroxide.

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Answer 2

Answer:

Dissolve the sodium hydroxide in 150 cm3 of purified water, add the light magnesium oxide, mix to form a smooth cream and then add sufficient purified water to produce 2500 cm3.

Explanation: