
Interpretation:
The molality of each of the given aqueous solutions is to be calculated.
Concept introduction:
Molality is the ratio of thenumber of moles of solute to the mass of the solvent in
The formula to calculate molality
Moles

Answer to Problem 19QP
Solution:
a)
b)
c)
Explanation of Solution
a)
The molarity of the sugar solution is
The density of the solution is
Calculate the mass of the solution as follows:
Rearrange the equation (2) for mass as follows:
The molar mass of sugar
Substitute
Now, calculate the mass of the solvent as follows:
Substitute
The relation between
Convert
Substitute
b)
The molarity of
The density of the solution is
The mass of the solution as follows:
Rearrange the equation (2) for mass as follows:
The molar mass of
Substitute
Now, calculate the mass of the solvent as follows:
Substitute
The relation between
Convert
Substitute
c)
The molarity of
The density of the solution is
Calculate the mass of the solution as follows:
Rearrange the equation (2) for mass.
The molar mass of
Substitute
Now, calculate the mass of solvent using the expression shown below:
Substitute
The relation between
Convert
Substitute
Want to see more full solutions like this?
Chapter 13 Solutions
Chemistry
- Please see photoarrow_forward=Naming benzene derivatives Name these organic compounds: structure C1 CH3 name ☐ CH3 ப C1 × ☐arrow_forwardBlocking Group are use to put 2 large sterically repulsive group ortho. Show the correct sequence toconnect the reagent to product with the highest yield possible. * see image **NOTE: The compound on the left is the starting point, and the compound on the right is the final product. Please show the steps in between to get from start to final, please. These are not two different compounds that need to be worked.arrow_forward
- Nucleophilic Aromatic Substitution: What is the product of the reaction? What is the name of the intermediate complex? *See imagearrow_forwardPredict the final product. If 2 products are made, list which should be “major” and “minor” *see attachedarrow_forwardNucleophilic Aromatic Substitution: What is the product of the reaction? *see imagearrow_forward
- Chemistry: Principles and PracticeChemistryISBN:9780534420123Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward MercerPublisher:Cengage LearningChemistry & Chemical ReactivityChemistryISBN:9781337399074Author:John C. Kotz, Paul M. Treichel, John Townsend, David TreichelPublisher:Cengage LearningChemistry & Chemical ReactivityChemistryISBN:9781133949640Author:John C. Kotz, Paul M. Treichel, John Townsend, David TreichelPublisher:Cengage Learning
- Chemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage LearningChemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage LearningIntroduction to General, Organic and BiochemistryChemistryISBN:9781285869759Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar TorresPublisher:Cengage Learning





