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Concentration Units Molarity Molality Mole Fraction Weight Percent ppm ppb

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Page 1: Concentration Units Molarity Molality Mole Fraction Weight Percent ppm ppb

Concentration UnitsMolarity

Molality

Mole Fraction

Weight Percent

ppm

ppb

Page 2: Concentration Units Molarity Molality Mole Fraction Weight Percent ppm ppb
Page 3: Concentration Units Molarity Molality Mole Fraction Weight Percent ppm ppb

Colligative Propeties: Properties of the solvent that change upon dissolution

Vapor Pressure of water at 20 oC is 20.1 mm Hg. What is the pressure of 100 g water mixed with 100 g ethylene glycol?

Page 4: Concentration Units Molarity Molality Mole Fraction Weight Percent ppm ppb

Distillation: Changing the composition of a mixture of volatile liquids

Vapor Pressures at 50 oC

Water 99 mm HgEthanol 232 mmHg

Distill a 10% alcohol solution.

Page 5: Concentration Units Molarity Molality Mole Fraction Weight Percent ppm ppb

Boiling Point Elevation

Page 6: Concentration Units Molarity Molality Mole Fraction Weight Percent ppm ppb
Page 7: Concentration Units Molarity Molality Mole Fraction Weight Percent ppm ppb

Freezing Point Depression

Page 8: Concentration Units Molarity Molality Mole Fraction Weight Percent ppm ppb

?

1 2 3 4

24% 23%

40%

13%

1. A2. B3. C4. D

Page 9: Concentration Units Molarity Molality Mole Fraction Weight Percent ppm ppb

Which is better at melting ice, per gram, NaCl or CaCl2?

Page 10: Concentration Units Molarity Molality Mole Fraction Weight Percent ppm ppb
Page 11: Concentration Units Molarity Molality Mole Fraction Weight Percent ppm ppb
Page 12: Concentration Units Molarity Molality Mole Fraction Weight Percent ppm ppb
Page 13: Concentration Units Molarity Molality Mole Fraction Weight Percent ppm ppb
Page 14: Concentration Units Molarity Molality Mole Fraction Weight Percent ppm ppb

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