What Is the Net Ionic Equation for the Preparation of Ca₃(PO₄)₂(s)from

question 48

Multiple Choice

What is the net ionic equation for the preparation of Ca₃(PO₄) ₂(s) from aqueous solution?

• A)3 Ca²⁺(aq) + 2 PO₄^3-(aq) → Ca₃(PO₄)₂(s)
• B)3 Ca(s) + 2 PO₄(aq) → Ca₃(PO₄)₂(s)
• C)3 CaO(aq) + 2 P₂(s) + 3 O₂(g) → Ca₃PO₄(aq) + 2 PO₄(g)
• D)3 Ca²⁺(aq) + 2 PO₃^-(aq) + 2 O^2-(g) → Ca₃(PO₄)₂(aq)
• E)3 Ca⁺(aq) + 2 PO₄^-(aq) → Ca₃(PO₄)₂(s)

---

Definitions:

Marginal Social Cost

The additional cost to society as a whole of producing one extra unit of a good or service.

Too Little

A situation where the quantity or amount available or supplied is insufficient to meet demand or requirements.

External Cost

Costs of a transaction that affect people other than the buyer or seller, typically not reflected in the market price.

Air Pollution

The presence of harmful substances in the air, often resulting from human activities, leading to environmental and health issues.