Chapter 20 Concentration. Molarity (M) Moles of solute per liter of solution. Molarity = moles of...

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Transcript of Chapter 20 Concentration. Molarity (M) Moles of solute per liter of solution. Molarity = moles of...

Page 1: Chapter 20 Concentration. Molarity (M) Moles of solute per liter of solution. Molarity = moles of solute liters of solution.

Chapter 20

Concentration

Page 2: Chapter 20 Concentration. Molarity (M) Moles of solute per liter of solution. Molarity = moles of solute liters of solution.

Molarity (M)

• Moles of solute per liter of solution.

Molarity =moles of soluteliters of solution

Page 3: Chapter 20 Concentration. Molarity (M) Moles of solute per liter of solution. Molarity = moles of solute liters of solution.

What is the molarity of a solution prepared by What is the molarity of a solution prepared by dissolving 21.0 g of CaCldissolving 21.0 g of CaCl22 in 500.0 mL of solution? in 500.0 mL of solution?

Page 4: Chapter 20 Concentration. Molarity (M) Moles of solute per liter of solution. Molarity = moles of solute liters of solution.

What is the molarity of a solution prepared by What is the molarity of a solution prepared by dissolving 21.0 g of CaCldissolving 21.0 g of CaCl22 in 500.0 mL of solution? in 500.0 mL of solution?

0.378M CaCl2

Page 5: Chapter 20 Concentration. Molarity (M) Moles of solute per liter of solution. Molarity = moles of solute liters of solution.

What is the molarity of a solution prepared by What is the molarity of a solution prepared by dissolving 48.4 g of CaCldissolving 48.4 g of CaCl22 in 100.0 mL of solution? in 100.0 mL of solution?

Page 6: Chapter 20 Concentration. Molarity (M) Moles of solute per liter of solution. Molarity = moles of solute liters of solution.

What is the molarity of a solution prepared by What is the molarity of a solution prepared by dissolving 48.4 g of CaCldissolving 48.4 g of CaCl22 in 100.0 mL of solution? in 100.0 mL of solution?

4.36M CaCl2

Page 7: Chapter 20 Concentration. Molarity (M) Moles of solute per liter of solution. Molarity = moles of solute liters of solution.

molality (m)

• Moles of solute per kilogram of solvent.

molality =moles of solute

kg of solvent

Page 8: Chapter 20 Concentration. Molarity (M) Moles of solute per liter of solution. Molarity = moles of solute liters of solution.

What is the molality of a solution prepared by What is the molality of a solution prepared by dissolving 92.3 g of KF in 100.0g of water? dissolving 92.3 g of KF in 100.0g of water?

Page 9: Chapter 20 Concentration. Molarity (M) Moles of solute per liter of solution. Molarity = moles of solute liters of solution.

What is the molality of a solution prepared by What is the molality of a solution prepared by dissolving 92.3 g of KF in 100.0g of water? dissolving 92.3 g of KF in 100.0g of water?

15.9m KF

Page 10: Chapter 20 Concentration. Molarity (M) Moles of solute per liter of solution. Molarity = moles of solute liters of solution.

What is the molality of a solution prepared by What is the molality of a solution prepared by dissolving 20.0g of NHdissolving 20.0g of NH44Cl in 400.0g of water? Cl in 400.0g of water?

Page 11: Chapter 20 Concentration. Molarity (M) Moles of solute per liter of solution. Molarity = moles of solute liters of solution.

What is the molality of a solution prepared by What is the molality of a solution prepared by dissolving 20.0g of NHdissolving 20.0g of NH44Cl in 400.0g of water? Cl in 400.0g of water?

0.935m NH4Cl

Page 12: Chapter 20 Concentration. Molarity (M) Moles of solute per liter of solution. Molarity = moles of solute liters of solution.

Mole Fraction (X)

• moles of component per total moles of solution.

mole fraction =moles of component

total moles in solution

Note: The mole fractions of the solute and solvent add up to “1”

Page 13: Chapter 20 Concentration. Molarity (M) Moles of solute per liter of solution. Molarity = moles of solute liters of solution.

What is the mole fraction of CWhat is the mole fraction of C44HH1010O in a solution O in a solution

containing 75.6g of Ccontaining 75.6g of C1010HH88 and 600.0g of C and 600.0g of C44HH1010O? O?

Page 14: Chapter 20 Concentration. Molarity (M) Moles of solute per liter of solution. Molarity = moles of solute liters of solution.

What is the mole fraction of CWhat is the mole fraction of C44HH1010O in a solution O in a solution

containing 75.6g of Ccontaining 75.6g of C1010HH88 and 600.0g of C and 600.0g of C44HH1010O? O?

XC4H10O = 0.932

Page 15: Chapter 20 Concentration. Molarity (M) Moles of solute per liter of solution. Molarity = moles of solute liters of solution.

What is the mole fraction of CWhat is the mole fraction of C22HH66O in a solution O in a solution

containing 67.4g of Ccontaining 67.4g of C99HH77N and 200.0g of CN and 200.0g of C22HH66O? O?

Page 16: Chapter 20 Concentration. Molarity (M) Moles of solute per liter of solution. Molarity = moles of solute liters of solution.

What is the mole fraction of CWhat is the mole fraction of C22HH66O in a solution O in a solution

containing 67.4g of Ccontaining 67.4g of C99HH77N and 200.0g of CN and 200.0g of C22HH66O? O?

XC2H6O = 0.893

Page 17: Chapter 20 Concentration. Molarity (M) Moles of solute per liter of solution. Molarity = moles of solute liters of solution.

Percent Solution by mass

• Represents the number of grams of solute per 100 grams of solution.

% solution = mass of solutemass of solution

X 100

Page 18: Chapter 20 Concentration. Molarity (M) Moles of solute per liter of solution. Molarity = moles of solute liters of solution.

A solution contains 130g of HCl in 750g of water. A solution contains 130g of HCl in 750g of water. What is the percent by mass of this HCl solution?What is the percent by mass of this HCl solution?

Page 19: Chapter 20 Concentration. Molarity (M) Moles of solute per liter of solution. Molarity = moles of solute liters of solution.

A solution contains 130g of HCl in 750g of water. A solution contains 130g of HCl in 750g of water. What is the percent by mass of this HCl solution?What is the percent by mass of this HCl solution?

14.8% HCl

Page 20: Chapter 20 Concentration. Molarity (M) Moles of solute per liter of solution. Molarity = moles of solute liters of solution.

What is the mass percent of a solution What is the mass percent of a solution containing 67.4g of Ccontaining 67.4g of C99HH77N in 200.0g of CN in 200.0g of C22HH66O? O?

Page 21: Chapter 20 Concentration. Molarity (M) Moles of solute per liter of solution. Molarity = moles of solute liters of solution.

What is the mass percent of a solution What is the mass percent of a solution containing 67.4g of Ccontaining 67.4g of C99HH77N in 200.0g of CN in 200.0g of C22HH66O? O?

25.2% C9H7N

Page 22: Chapter 20 Concentration. Molarity (M) Moles of solute per liter of solution. Molarity = moles of solute liters of solution.

Homework

• Worksheet: Concentration


Chapter 6 : Solutions, Acids, & Bases. Solution Solute Solvent Concentration Molarity Suspension Colloid Acid Base Solubility.

Chapter 6 : Solutions, Acids, & Bases. Solution Solute Solvent Concentration Molarity Suspension Colloid Acid Base Solubility.

Physical Properties of · PDF file · 2014-02-06Physical Properties of Solutions ... moles of solute liters of solution Molarity (M) Molality (m) ... 6 Example 12.4 The density of

Physical Properties of · PDF file · 2014-02-06Physical Properties of Solutions ... moles of solute liters of solution Molarity (M) Molality (m) ... 6 Example 12.4 The density of

Osmoregulation and Excretion CHAPTER 44. WATER BALANCE Osmolarity - total solute concentration (M) = moles of solute per liter Osmolarity - total solute.

Osmoregulation and Excretion CHAPTER 44. WATER BALANCE Osmolarity - total solute concentration (M) = moles of solute per liter Osmolarity - total solute.

Solutions - Folsom Cordova Unified School District / · PDF file · 2013-04-12amount of solute in the solution has not changed. •Moles of solute before dilution = moles of ... 2.

Solutions - Folsom Cordova Unified School District / · PDF file · 2013-04-12amount of solute in the solution has not changed. •Moles of solute before dilution = moles of ... 2.

Chemistry 110 Lecture Notes Exam 5 Materials …Type B: Given the moles or the mass of the solute and the molarity, start your set up with mass or moles of solute, convert if necessary

Chemistry 110 Lecture Notes Exam 5 Materials …Type B: Given the moles or the mass of the solute and the molarity, start your set up with mass or moles of solute, convert if necessary

Diluting a solution Amount of moles of solute before dilution Amount of moles of solute after dilution = c D V D = c C V C Practice problems: p. 321.

Diluting a solution Amount of moles of solute before dilution Amount of moles of solute after dilution = c D V D = c C V C Practice problems: p. 321.

Chapter 12fac.ksu.edu.sa/sites/default/files/9_chapter_12.pdf · Molality (m) Molarity is the number of moles of solute in 1 L of solution. the units of molarity are mol/L. Molality

Chapter 12fac.ksu.edu.sa/sites/default/files/9_chapter_12.pdf · Molality (m) Molarity is the number of moles of solute in 1 L of solution. the units of molarity are mol/L. Molality

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

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

Molarity Revised 9/07/2006. Molarity the number of moles of solute dissolved in one liter of solution. The units, therefore are moles per liter, specifically.

Molarity Revised 9/07/2006. Molarity the number of moles of solute dissolved in one liter of solution. The units, therefore are moles per liter, specifically.

Section 3: Dilutions Dilutions Calculations. DDilutions llowers concentration, or molarity but… ttotal moles of solute does not change A. Dilutions.

Section 3: Dilutions Dilutions Calculations. DDilutions llowers concentration, or molarity but… ttotal moles of solute does not change A. Dilutions.

Lecture 4 :Aqueous Solutions - International … 4 :Aqueous Solutions . ... quantity of a solute that is contained in ... • Molarity of a solution is the number of moles of solute

Lecture 4 :Aqueous Solutions - International … 4 :Aqueous Solutions . ... quantity of a solute that is contained in ... • Molarity of a solution is the number of moles of solute

Molarity, Dilution CDURAKOVIC@IUS.EDU.BA. Molarity Molarity is the number of moles of solute dissolved in one liter of solution. The units, therefore.

Molarity, Dilution [email protected]. Molarity Molarity is the number of moles of solute dissolved in one liter of solution. The units, therefore.

Chapter # 7 SOLUTION AND SUSPENSION - · PDF file · 2011-07-08... of a solution. 1. Molarity (M) 2. Molality (m ) 3. Mole fraction (x ) 4. ... = Moles of Solute / Liters of Solution

Chapter # 7 SOLUTION AND SUSPENSION - · PDF file · 2011-07-08... of a solution. 1. Molarity (M) 2. Molality (m ) 3. Mole fraction (x ) 4. ... = Moles of Solute / Liters of Solution

Review Reactions in the Laboratory - NIUapple.niu.edu.tw/ezfiles/2/1002/img/78/chapter4.pdf · "Definition of molarity "Molarity = moles of solute/liters ... "Molarity of Cl-= 2 X

Review Reactions in the Laboratory - NIUapple.niu.edu.tw/ezfiles/2/1002/img/78/chapter4.pdf · "Definition of molarity "Molarity = moles of solute/liters ... "Molarity of Cl-= 2 X

Normality Dr. Steve Badger. Concentrations of Solutions A brief review of molarity & molality Molarity = Number of moles of solute Liter of solution Molality.

Normality Dr. Steve Badger. Concentrations of Solutions A brief review of molarity & molality Molarity = Number of moles of solute Liter of solution Molality.

a measure of the amount of solute that is dissolved in a given quantity of solvent unit of measurement is Molarity (M) which is moles/liter can be dilute.

a measure of the amount of solute that is dissolved in a given quantity of solvent unit of measurement is Molarity (M) which is moles/liter can be dilute.

Moles Nd Molarity

Moles Nd Molarity

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

1 Chapter 7 Solutions 7.5 Molarity and Dilution. 2 Molarity (M) Molarity (M) is a concentration term for solutions. gives the moles of solute in 1 L solution.

1 Chapter 7 Solutions 7.5 Molarity and Dilution. 2 Molarity (M) Molarity (M) is a concentration term for solutions. gives the moles of solute in 1 L solution.

Solution Concentration Molarity(M): Moles solute/1L solution Molality (m): Moles solute/1kg solvent Mole fraction (X A ): Moles A* total moles solution.

Solution Concentration Molarity(M): Moles solute/1L solution Molality (m): Moles solute/1kg solvent Mole fraction (X A ): Moles A* total moles solution.