What Is the Equilibrium Constant Expression for the K_sp of Ca₃(PO₄)₂

question 133

Multiple Choice

What is the equilibrium constant expression for the K_sp of Ca₃(PO₄) ₂?

• A)K_sp = [Ca²⁺]³[PO₄^3-]²
• B)K_sp = {[Ca²⁺]³[PO₄^3-]²}/[Ca₃PO₄]
• C)K_sp = {[Ca²⁺]³[PO₄^3-]²}/{[Ca₃PO₄][H₂O]}
• D)K_sp = 1/{[Ca²⁺]³[PO₄^3-]²}

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Definitions:

Kilauea Volcano

An active shield volcano in the Hawaiian Islands, well known for its frequent and relatively mild basaltic lava flows.

Scoria Cone

A type of volcano characterized by its cone-shaped peak, formed from volcanic cinders that fall around a central vent.

Igneous Eruptions

Volcanic events that involve the expulsion of magma from the Earth's interior, forming igneous rocks upon cooling.

Flood Basalts

Vast plains of basaltic lava that cover large areas of the Earth's surface, resulting from extensive eruptions.