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Solutions and mixtures

AP.Chem: SPQ‑3 (EU), SPQ‑3.A (LO), SPQ‑3.A.2 (EK)
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A 23, point, 6, space, g sample of NaX3POX4\ce{Na3PO4} (molar mass 163, point, 94, space, g, slash, m, o, l) is dissolved in enough water to produce 750, point, start text, m, L, end text of solution.
Calculate the concentration of NaX+\ce{Na+} ions in solution.
Write your answer using three significant figures.
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3, slash, 5
  • a simplified improper fraction, like 7, slash, 4
  • a mixed number, like 1, space, 3, slash, 4
  • an exact decimal, like 0, point, 75
  • a multiple of pi, like 12, space, start text, p, i, end text or 2, slash, 3, space, start text, p, i, end text