Concentration Units Molarity Molality Mole Fraction Weight Percent ppm ppb.

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Concentration Units Molarity Molality Mole Fraction Weight Percent ppm ppb

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Transcript of Concentration Units Molarity Molality Mole Fraction Weight Percent ppm ppb.

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.
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Chemical Bonding/Chemical Reactions · The concentration of a solution can be expressed in various ways, such as: molarity, molality, mass percent and mole fraction. Molarity was

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Preview Objectives Concentration Molarity Molality Chapter 12 Section 3 Concentration of Solutions.

Preview Objectives Concentration Molarity Molality Chapter 12 Section 3 Concentration of Solutions.

Concentration Units Continued M = moles of solute liters of solution Molarity (M) Molality (m) m = moles of solute mass of solvent (kg) 12.3.

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Solutions © 2009, Prentice-Hall, Inc. Changing Molarity to Molality If we know the density of the solution, we can calculate the molality from the molarity.

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Molarity = Moles of solute/Liters of Solution (M) Molalityweb.chem.ucsb.edu/~devries/chem1C/handouts/ppt17.pdf · Molality = Moles of solute/Kg of Solvent (m) Concentration ... Apply

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Mole Fraction Molality Molarity - gchembarbara.cm.utexas.edu/courses/ch302s08/files/dvb012408a4.pdfMolality m = moles of solute kg of solv ent Molarity M = moles of solute L of solution

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Karst Chemistry I. Definitions of concentration units Molality m = moles of solute per kilogram of solvent Molarity [x]= moles of solute per kilogram.

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Unit 10: Solutions · 2013. 5. 21. · 24 Define concentration in terms of molarity, molality, and solve problems 25 Solve dilution problems involving molarity 26 Identify and define

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