Engineering Board Exam Reviewer · Chemistry · medium

What is the chemical formula of calcium phosphate?

  1. CaPO₄
  2. Ca2(PO4)3
  3. Ca3(PO4)2
  4. Ca(PO4)2

Answer

C. Ca3(PO4)2

Solution

Ca2+ and PO43- combine in a 3 : 2 ratio.

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