Solution Properties and Concentration Units Quiz
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Questions and Answers

Which of the following expressions can be used to calculate the concentration of a solution in parts per million (ppm)?

  • (mass solute/mass solution) x 10^9
  • (mass solute/mass solution) x 10^3
  • (mass solute/mass solution) x 10^6 (correct)
  • (mass solute/mass solution) x 10^12

    • Which of the following expressions can be used to calculate the concentration of a solution in mole fraction?

  • mol solute/mol solvent
  • mol solute/(mol solvent - mol solute)
  • mol solute/(mol solute + mol solvent) (correct)
  • mol solvent/(mol solute + mol solvent)

    • Which of the following expressions represents the key relationship for calculations involving dilution of concentrated solutions?

  • M1V1 = M2V2 (correct)
  • M1V2 = M2V1
  • M1/M2 = V2/V1
  • M1V1 + M2V2 = M3V3

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