(a)
Interpretation:
The molality of given citric acid solution has to be calculated.
Concept introduction:
Molality of a solution also called as molal concentration can be defined as the mass of solute in grams to the mass of the solvent in kilograms. It can be given by the equation,
(b)
Interpretation:
The molality of given
Concept introduction:
Molality of a solution also called as molal concentration can be defined as the mass of solute in grams to the mass of the solvent in kilograms. It can be given by the equation,
(c)
Interpretation:
The molality of given Aspirin solution has to be calculated.
Concept introduction:
Molality of a solution also called as molal concentration can be defined as the mass of solute in grams to the mass of the solvent in kilograms. It can be given by the equation,
Want to see the full answer?
Check out a sample textbook solutionChapter 11 Solutions
General Chemistry: Atoms First
- An aqueous solution of a molecular compound freezes at 0.086C. What is the molality of the solution?arrow_forwardJuice (d=1.0g/mL) from freshly harvested grapes has about 24% sucrose by mass. What is the molality of sucrose, C12H22O11, in the grape juice after 25% (by mass) of the water content has been removed? Assume a volume of 15.0 L.arrow_forwardAn aqueous solution made up of 32.47 g of iron(III) chloride in 100.0 mL of solution has a density of 1.249 g/mL at 25C. Calculate its (a) molarity. (b) molality. (c) osmotic pressure at 25C (assume i=4). (d) freezing point.arrow_forward
- A 12-oz (355-mL) Pepsi contains 38.9 mg caffeine (molar mass = 194.2 g/mol). Assume that the Pepsi, mainly water, has a density of 1.01 g/mL. For such a Pepsi, calculate: (a) its caffeine concentration in ppm; (b) its molarity of caffeine; and (c) the molality of caffeine.arrow_forwardA CaCl2 solution at 25C has an osmotic pressure of 16 atm and a density of 1.108 g/mL. What is the freezing point of this solution?arrow_forwardAssume that 30 L of maple sap yields one kilogram of maple syrup (66% sucrose, C12H22O11). What is the molality of the sucrose solution after one fourth of the water content of the sap has been removed?arrow_forward
- What is the usual solubility behavior of an ionic compound in water when the temperature is raised? Give an example of an exception to this behavior.arrow_forwardVinegar is a 5.0% solution of acetic acid (CH3CO2H) in water. The density of vinegar is 1.0055 g/mL. Express the concentration of acetic acid as (a) molality. (b) molarity. (c) mole fraction.arrow_forwardAntifreeze solutions are aqueous solutions of ethylene glycol, C2H6O2(d=1.12g/mL). In Connecticut, cars are winterized by filling radiators with an antifreeze solution that will protect the engine for temperatures as low as -20F. (a) What is the minimum molality of antifreeze solution required? (b) How many milliliters of ethylene glycol need to be added to 250 mL of water to prepare the solution called for in (a)?arrow_forward
- Chemistry: Matter and ChangeChemistryISBN:9780078746376Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl WistromPublisher:Glencoe/McGraw-Hill School Pub CoGeneral Chemistry - Standalone book (MindTap Cour...ChemistryISBN:9781305580343Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; DarrellPublisher:Cengage Learning
- Chemistry: Principles and PracticeChemistryISBN:9780534420123Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward MercerPublisher:Cengage LearningChemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage LearningChemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage Learning