What is the net ionic equation for the preparation of Ca3(PO4) 2(s) from aqueous solution?
A) 3 Ca2+(aq) + 2 PO43-(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 O2-(g) → Ca3(PO4) 2(aq)
E) 3 Ca+(aq) + 2 PO4-(aq) → Ca3(PO4) 2(s)
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