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Solutions and mixtures

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A 23.6 g sample of NaA3POA4 (molar mass 163.94 g/mol) is dissolved in enough water to produce 750.mL of solution.
Calculate the concentration of NaA+ ions in solution.
Write your answer using three significant figures.
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3/5
  • a simplified improper fraction, like 7/4
  • a mixed number, like 1 3/4
  • an exact decimal, like 0.75
  • a multiple of pi, like 12 pi or 2/3 pi