When Phosphoric Acid, H₃PO₄(aq), Reacts with Solid Magnesium Hydroxide, Mg(OH)₂(s)

question 127

Multiple Choice

When phosphoric acid, H₃PO₄(aq) , reacts with solid magnesium hydroxide, Mg(OH) ₂(s) , the products are aqueous magnesium phosphate and water. Which of the following is the balanced equation for this reaction?

• A) H₃PO₄(aq) + Mg(OH)₂(s) → MgPO₄(aq) + H₂O(l)
• B) 2 H₃PO₄(aq) + Mg(OH)₂(s) → Mg(PO₄)₂(aq) + 2 H₂O(l)
• C) 3 H₃PO₄(aq) + 2 Mg(OH)₂(s) → Mg₂(PO₄)₃(aq) + 2 H₂O(l)
• D) 2 H₃PO₄(aq) + 3 Mg(OH)₂(s) → Mg₃(PO₄)₂(aq) + 6 H₂O(l)

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