CHAP14_new - Solutions and Their Solutions Behavior...

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Chapter 14 1 Solutions and Their Solutions and Their Behavior Behavior Chapter 14 Chapter 14
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Chapter 14 2 The Solution Process The Solution Process Solution - A homogeneous mixture composed of a solute and a solvent. Solute – The substance which is dissolved. Solvent – The substance which acts as the dissolving medium.
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Chapter 14 3 Saturated Solutions and Solubility Saturated Solutions and Solubility Mole Fraction, Molarity, and Molality Mole Fraction, Molarity, and Molality Qualitative Terms: Dilute Solution – A solution in which additional solute may be dissolved. Saturated Solution – A solution in which no more solute may be dissolved. Supersaturated Solution – A solution in which more solute is dissolved than in a saturated solution. Solubility - amount of solute required to form a saturated solution.
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Chapter 14 4 Ways of Expressing Concentration Ways of Expressing Concentration Definitions: 100 soln of mass total soln in component of mass % Mass × = 6 10 soln of mass total soln in component of mass ppm × =
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Chapter 14 5 Ways of Expressing Concentration Ways of Expressing Concentration Mole Fraction, Molarity, and Molality Mole Fraction, Molarity, and Molality Mole Fraction Molarity components all of moles total component of moles fraction Mole = solution of liters solute of moles Molarity =
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Chapter 14 6 Ways of Expressing Concentration Ways of Expressing Concentration Mole Fraction, Molarity, and Molality Mole Fraction, Molarity, and Molality Molality (m) – moles of solute per kilogram of solution solvent of kilograms solute of moles Molality =
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Chapter 14 7 The Solution Process The Solution Process Liquids Dissolving in Liquids Liquids Dissolving in Liquids Miscible liquids - Mix in any proportions. Immiscible liquids - Do not mix.
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8 The Solution Process The Solution Process Liquids Dissolving in Liquids Liquids Dissolving in Liquids “Like Dissolves Like” Polar molecules will dissolve in polar solvents. Non-polar molecules will dissolve in non-polar
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CHAP14_new - Solutions and Their Solutions Behavior...

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