Answered: How many moles of NH3 would be released…

Introductory Chemistry: A Foundation

9th Edition

ISBN:9781337399425

Author:Steven S. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Donald J. DeCoste

Chapter15: Solutions

Section: Chapter Questions

Problem 97AP

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The freezing point of a 0.21 m aqueous solution of H2SO4 is -0.796C. (a) What is i? (b) Is the solution made up primarily of (i) H2SO4 molecules only? (ii) H+ and HSO4- ions? (iii) 2H+ and 1SO42- ions?
Supersaturated solutions of most solids in water are prepared by cooling saturated solutions. Supersaturated solutions of most gases in water are prepared by heating saturated solutions. Explain the reasons for the difference in the two procedures.
For each of the following pairs of solutions, select the solution for which solute solubility is greatest. a. Ammonia gas in water with P = 1 atm and T = 50C Ammonia gas in water with P = 1 atm and T = 90C b. Carbon dioxide gas in water with P = 2 atm and T = 50C Carbon dioxide gas in water with P = 1 atm and T = 50C c. Table salt in water with P = 1 atm and T = 60C Table salt in water with P = 1 atm and T = 50C d. Table sugar in water with P = 2 atm and T = 40C Table sugar in water with P = 1 atm and T = 70C
For each of the following pairs of solutions, select the solution for which solute solubility is greatest. a. Oxygen gas in water with P = 1 atm and T = 10C Oxygen gas in water with P = 1 atm and T = 20C b. Nitrogen gas in water with P = 2 atm and T = 50C Nitrogen gas in water with P = 1 atm and T = 70C c. Table salt in water with P = 1 atm and T = 40C Table salt in water with P = 1 atm and T = 70C d. Table sugar in water with P = 3 atm and T = 30C Table sugar in water with P = 1 atm and T = 80C
The freezing point of p-dichlorobenzene is 53.1 C, and its Kf is 7.10 C kg/mol. A solution of 1.52 g of the drug sulfanilamide in 10.0 g p-dichlorobenzene freezes at 46.7 C. Calculate the molar mass of sulfanilamide.
The freezing point of 0.10 M KHSO3 is -0.38C. Which of the following equations best represents what happens when KHSO3 dissolves in water? (a) KHSO3(s)KHSO3(aq) (b) KHSO3(s) K+(aq)+HSO3(aq) (c) KHSO3(s) K+(aq)+SO32(aq)+ H+(aq)
Using Table 8-2, classify each of the following types of ionic compounds using the solubility categories soluble, soluble with exceptions, insoluble, or insoluble with exceptions. a. chlorides b. nitrates c. carbonates d. phosphates
What is the mole fraction of H 2 S O 4 in a solution containingthe percentage of sulfuric acid and water shownin Figure 14.25?
A sample of potassium aluminum sulfate 12-hydrate. KAl(SO4)212H2O, containing 101.5 mg is dissolved in 1.000 L of solution Calculate the following for the solution: a The molarity of KAl(SO4)2. b The molarity of SO42. c The molality of KAl(SO4)2, assuming that the density of the solution is 1.00 g/mL
Explain why the hydration process for concrete is exothermic by considering the chemical bonds in the reactants and products.
Using Table 8-2, classify each of the following types of ionic compounds using the solubility categories soluble, soluble with exceptions, insoluble, or insoluble with exceptions. a. bromides b. sulfates c. hydroxides d. sulfides
. What is the special name given to the equilibrium constant for the dissolving of an ionic solute in water?

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How many moles of NH3 would be released from 1.0 L of saturated NH3 solution if the temperature was increased from 25 to 50 degrees celcius?