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Solution Concentration Terms

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Terms in this set (9)

  • Molarity (M)

    amount solute in mol/volume solution (L)

    units: mol/L

  • Molality (m)

    amount solute (in mol)/mass solvent (in kg)

    units: mol/kg

  • Mole fraction (x)

    amount solute (in mol)/total amount of solute and solvent (in mol)

    units: none

  • Mole percent (mol %)

    amount solute (in mol)/total amount of solute and solvent (in mol) x100%

    units: %

  • Parts by mass

    mass solute/mass solution x multiplication factor

  • Percent by mass (%)

    mass solute/mass solution x 100

    units: %

  • Parts per million by mass (ppm)

    mass solute/mass solution x10^6

    units: ppm

  • Parts per billion by mass (ppb)

    mass solute/mass solution x10^9

    units: ppb

  • Parts by volume (%, ppm, ppb)

    volume solute/volume solution x multiplication factor

    *multiplication factors for parts by volume are identical to those for parts by mass