Which One of the Following Is Not True Concerning 2

Which one of the following is not true concerning 2.00 L of 0.100 M solution of Ca₃(PO₄) ₂?

A) This solution contains 0.200 mol of Ca₃(PO₄) ₂.
B) This solution contains 0.800 mol of oxygen atoms.
C) 1.00 L of this solution is required to furnish 0.300 mol of Ca²⁺ ions.
D) There are 6.02 × 10²² phosphorus atoms in 500.0 mL of this solution.
E) This solution contains 0.600 mol of Ca²⁺.