The solubility product expression for $Ca_3(PO_4)_2$ is represented as
- A$K_{sp} = [Ca^{2+}]^3 [PO_4^{3-}]^2$
- B$K_{sp} = [Ca^{2+}]^2 [PO_4^{3-}]^3$
- C$K_{sp} = [Ca^{2+}] [PO_4^{3-}]^3$
- D$K_{sp} = [Ca^{2+}]^3 [PO_4^{3-}]$
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