Concentration Units Molarity Molality Mole Fraction Weight Percent ppm ppb.

Slides:

Advertisements

Similar presentations

CALCULATIONS INVOLVING COLLIGATIVE PROPERTIES

Advertisements

Physical Properties of Solutions Chapter 12 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.

Molecular Mass by Freezing Point Depression Background Vapor Pressure  The melting and freezing points for a substance are determined by the vapor pressure.

Calculations Involving Colligative Properties Review Molarity (M) = moles of solute liter of solution Dilutions: M 1 x V 1 = M 2 x V 2 Percent by volume.

Calculations Involving Colligative Properties. Introduction We now understand colligative properties. To use this knowledge, we need to be able to predict.

Colligative Properties

SOLUTIONS SUROVIEC SPRING 2014 Chapter 12. I. Types of Solution Most chemical reaction take place between ions/molecules dissolved in water or a solvent.

Solutions... the components of a mixture are uniformly intermingled (the mixture is homogeneous).

Section 13.4 Colligative Properties Bill Vining SUNY Oneonta.

Concentrations of Solutions Concentration measures exactly how much solute is in a certain amount of solvent. Concentration measures exactly how much solute.

Colligative Properties of Solutions Colligative properties = physical properties of solutions that depend on the # of particles dissolved, not the kind.

Colligative Properties of Solutions. How do you get from this…

Lecture 3612/5/05. Colligative Properties Physical property Based on concentration of solute molecules Doesn’t depend on identity.

Part 2: External Control of Solubility Temperature and Pressure Predictions: Will solubility increase or decrease with increasing temperature? Will solubility.

Concentration Units Molarity Molality Mole Fraction Weight Percent ppm ppb.

Properties of Solutions Chapter 18 Lesson 3. Solution Composition Mass percentage (weight percentage): mass percentage of the component = X 100% mass.

X-Ray Diffraction: Determining the distance between planes of atoms X-rays and atoms Orders of diffraction Bragg’s Law.

Molarity  Molarity = grams / molar mass / Liters  Liters = grams / molar mass/ Molarity  Grams = Molarity x Liters x molar mass.

Colligative Properties of Solutions Chemistry Mrs. Coyle.

Prentice Hall ©2004 CHAPTER 11 SOLUTIONS AND THEIR PROPERTIES Chapter 11Slide 1.

Colligative Properties Colligative properties depend only on the number of solute particles present, not on the identity of the solute particles. Among.

Colligative Properties. Definition Properties that depend on the concentration of a solution no matter what the solute’s identity is.

Colligative Properties OF SOLUTIONS. Colligative Property A property that depends only on the number of particles, and not on their identity 3 Colligative.

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

Physical Properties of Solutions

COLLIGATIVE PROPERTIES STRUCTURE MEETS FUNCTION: WHAT PROPERTIES DO SOLUTIONS HAVE AND WHY?

Solubility Information Pt.II There is another term that is very rarely used to express solubility and that term is MOLALITY. Molality (m) is defined as.

Colligative properties

CHEM 121 Chapter 8 Winter Mixtures Heterogeneous mixture: 2 Homogeneous mixture: Solution: Colloid:

CHP 12 solutions Concentration There are numerous ways to measure concentration –(amount of solute/amount of solvent or soln) Molarity, M Molality, m.

Percent by volume: = Volume of solute x 100 Volume of solution

Aim: How is the concept of colligative properties applied to the making of ice cream? What is a solution? A solution is a homogeneous mixture of a solute.

Solutions Homogeneous Mixture of 2 or more Substances.

SOLUTIONS Chapter 13 and 14.

1.  Temperature  You can dissolve more into a warm liquid than you can into a cold liquid 2.

Review A solution is a homogeneous mixture.

1 Chemistry Chapter 15 Solutions and Colligative properties Zumdahl-World of Chemistry Last revision Fall 2009.

Discussion: Colligative Properties Students will be able to: Explain how dissolved solutes affect the boiling and freezing points of solutions.

COLLIGATIVE PROPERTIES OF SOLUTIONS. Colligative Properties  A property that depends only upon the number of solute particles, and not upon their identity.

COLLIGATIVE PROPERTIES

Solutions Review Problems have solutions, solutions have problems.

Unit 9: Solution Chemistry Section 2: Percent Composition and Colligative Properties.

Solutions Chapter 16. Solutions A solution is a homogenous mixture of 2 substances.

Colligative Properties

SOLUTIONS SUROVIEC SPRING 2015 Chapter 12. I. Types of Solution Most chemical reaction take place between ions/molecules dissolved in water or a solvent.

SOLUTIONS 1.Concentration Units A.Molarity; mole fraction; % m/m; molality 2.Principles of Solubility A. solute-solvent interactions; effect of T & P;

Molarity (M) Expresses solution concentration M = moles of solute / liters of solvent Molarity, molar, M, and mol/liter all represent the same ratio Episode.

Calculations Involving Colligative Properties. Objectives When you complete this presentation, you will be able to o calculate the molality of a solution.

Physical Properties of Solutions Chapter 12. Objectives 1.0 Define key terms and concepts. 1.8 Explain how a solute and solvent interact to make a solution.

1 Concentration Day 2: Chapter 14. CONCENTRATION The amount of solute present in a set amount of solvent or total solution. The amount of solute present.

Chapter 11 Properties of Solutions. Copyright © Cengage Learning. All rights reserved 2 Solution – a homogeneous mixture. Solute – substance being dissolved.

Solutions... the components of a mixture are uniformly intermingled (the mixture is homogeneous).

11.4 Colligative Properties

Solution Concentrations The measured amount of solute in a given amount of solvent or solution.

COLLIGATIVE PROPERTIES

CHEM 121 Chapter 8 Winter 2015.

Physical Properties of Solutions

Solutions Review Chemistry.

Drill: Define Molarity..

Chapter 10 – Solutions & Their Properties

Colligative Properties

Lesson 6.1: Solutions and Concentration

Colligative Properties of Solutions

Colligative Properties

CHEM 121 Chapter 8 Fall 2014 (Scott’s class).

Solubility & Concentration

Part 2: External Control of Solubility Temperature and Pressure

Chapter 13 Solutions.

Calculations Involving Colligative Properties

Presentation transcript:

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 o C is 20.1 mm Hg. What is the pressure of 100 g water mixed with 100 g ethylene glycol?

Distillation: Changing the composition of a mixture of volatile liquids Vapor Pressures at 50 o C Water99 mm Hg Ethanol232 mmHg Distill a 10% alcohol solution.

Boiling Point Elevation

Freezing Point Depression

? 1.A 2.B 3.C 4.D

Which is better at melting ice, per gram, NaCl or CaCl 2 ?