Answer
Chemical formula of magnesium hydroxide is Mg(OH)2 and hydrochloric acid is HCl, hence magnesium hydroxide contains two ions of OH as compared to one ion of H in HCl. Hence, a single molecule of magnesium hydroxide neutralizes two molecules of hydrochloric acid.
Mg(OH)2 + 2HCl = MgCl2 + H2O
Work Step by Step
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