Concept explainers
(a)
Interpretation:
The ionization equation of the given sparingly soluble salt is to be stated and the solubility of the salt in
Concept Introduction:
The solubility product is represented by
Answer to Problem 90AP
The ionization reaction of
The solubility of
Explanation of Solution
The given sparingly soluble substance is
The solubility of the salt is assumed to be
According to the law of
The salt,
The solubility product,
Substitute the value of solubility product in the above expression.
The solubility of
(b)
Interpretation:
The ionization equation of the given sparingly soluble salt is to be stated and the solubility of the salt in
Concept Introduction:
The solubility product is represented by
Answer to Problem 90AP
The ionization reaction of
The solubility of
Explanation of Solution
The given sparingly soluble substance is
The solubility of the salt is assumed to be
According to the law of chemical equilibrium, the solubility product for
The salt,
The solubility product,
Substitute the value of solubility product in the above expression.
The solubility of
(c)
Interpretation:
The ionization equation of the given sparingly soluble salt is to be stated and the solubility of the salt in
Concept Introduction:
The solubility product is represented by
Answer to Problem 90AP
The ionization reaction of
The solubility of
Explanation of Solution
The given sparingly soluble substance is
The solubility of the salt is assumed to be
According to the law of chemical equilibrium, the solubility product for
The salt,
The solubility product,
Substitute the value of solubility product in the above expression.
The solubility of
(d)
Interpretation:
The ionization equation of the given sparingly soluble salt is to be stated and the solubility of the salt in
Concept Introduction:
The solubility product is represented by
Answer to Problem 90AP
The ionization reaction of
The solubility of
Explanation of Solution
The given sparingly soluble substance is
The solubility of the salt is assumed to be
According to the law of chemical equilibrium, the solubility product for
The salt,
The solubility product,
Substitute the value of solubility product in the above expression.
The solubility of
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Chapter 17 Solutions
EBK INTRODUCTORY CHEMISTRY
- Solubility and Solubility Product You put 0.10-mol samples of KNO3, (NH4)2S, K2S, MnS, AgCl, and BaSO4 into separate flasks and add 1.0 L of water to each one. Then you stir the solutions for 5 minutes at room temperature. Assume that you have 1.0 L of solution in each case. a Are there any beakers where you would observe solid still present? How do you know? b Can you calculate the potassium ion concentration, K+, for the solutions of KNO3 and K2S? If so, do the calculations, and then compare these K+ concentrations. c For the solutions of (NH4)2S, K2S, and MnS, how do the concentrations of sulfide ion, S2, compare? (You dont need to calculate an answer at this point; just provide a rough comparison.) Be sure to justify your answer. d Are there any cases where you need more information to calculate the sulfide-ion concentration for the solutions of (NH4)2S, K2S, and MnS from part c? If so, what additional information do you need? e Consider all of the solutions listed at the beginning of this problem. For which ones do you need more information than is given in the question to determine the concentrations of the ions present? Where can you find this information? f How is the solubility of an ionic compound related to the concentrations of the ions of the dissolved compound in solution?arrow_forwardMost barium compounds are very poisonous; however, barium sulfate is often administered internally as an aid in the X-ray examination of the lower intestinal tract (Figure 15.4). This use of BaSO4 is possible because of its low solubility. Calculate the molar solubility of BaSO4 and the mass of barium present in 1.00 L of water saturated with BaSO4.arrow_forwardEven though barium is toxic, a suspension of barium sulphate is administered to patients who need x rays of the gastrointestinal tract. The barium milkshake is safe to drink because the solubility of barium sulfate is so low. Calculate the solubility of barium sulfate in grams per liter using the data in Table 14.4.arrow_forward
- Use the solubility rules (Table 4.1) to decide which of the following compounds are expected to be soluble and which insoluble. a Mg(C2H3O2)2 b NiS c Cr(NO3)2 d Ca3(PO4)2arrow_forwardSome barium chloride is added to a solution that contains both K2SO4 (0.050 M) and Na3PO4 (0.020 M). (a) Which begins to precipitate first: the barium sulfate or the barium phosphate? (b) The concentration of the first anion species to precipitate, either the sulfate or phosphate, decreases as the precipitate forms. What is the concentration of the first species when the second begins to precipitate?arrow_forwardSuppose you have a water solution that is 0.0010 M Ca2+ and 0.0010 M Mg2+. Describe the precipitation reactions as you slowly add a concentrated solution of sodium carbonate, Na2CO3, to this solution. What would be the concentration of carbonate ion, CO32, when at least 90.0% of Ca2+ and Mg2+ have been precipitated.arrow_forward
- Because barium sulfate is opaque to X-rays, it is suspended in water and taken internally to make the gastrointestinal tract visible in an X-ray photograph. Although barium ion is quite toxic, barium sulfate’s /Csp of 1.1 X 10-,<) gives it such low solubility' that it can be safely consumed. What is the molar solubility' of BaSO4. What is its solubility' in grams per 100 g of water?arrow_forwardAccording to the Resource Conservation and Recovery Act (RCRA), waste material is classified as toxic and must be handled as hazardous if the lead concentration exceeds 5 mg/L. By adding chloride ion, the lead ion will precipitate as PbCl2, which can be separated from the liquid portion. Once the lead has been removed, the rest of the waste can be sent to a conventional waste treatment facility. How many grams of sodium chloride must be added to 500 L of a waste solution to reduce the concentration of the Pb2+ ion from 10 to 5 mg/L?arrow_forwardMagnesite (magnesium carbonate, MgCO3) is a common magnesium mineral. From the solubility product constant, find the solubility of magnesium carbonate in grams per liter of water.arrow_forward
- Solubility Equilibria Consider three hypothetical ionic solids: AX, AX2, and AX3 (each X forms X). Each of these solids has the same Ksp value, 5.5 10 7. You place 0.25 mol of each compound in a separate container and add enough water to bring the volume to 1.0 L in each case. a Write the chemical equation for each of the solids dissolving in water. b Would you expect the concentration of each solution to be 0.25 M in the compound? Explain, in some detail, why or why not. c Would you expect the concentrations of the A cations (A+, A2+, and A3+) in the three solutions to be the same? Does just knowing the stoichiometry of each reaction help you determine the answer, or do you need something else? Explain your answer in detail, but without doing any arithmetic calculations. d Of the three solids, which one would you expect to have the greatest molar solubility? Explain in detail, but without doing any arithmetic calculations. e Calculate the molar solubility of each compound.arrow_forwardMagnesium hydroxide, Mg(OH)2, is the active ingredient in die antacid TUMS and has a Ksp value of 8.9 1012. If a 10.0-g sample of Mg(OH)2 is placed in 500.0 mL of solution, calculate the moles of OH ions present. Because the Ksp value for Mg(OH)2 is much less than 1, not a lot of solid dissolves in solution. Explain how Mg(OH)2 works to neutralize large amounts of stomach acid.arrow_forwardFor the simple reaction 2H2(g)+O2(g)2H2O(l)list the types of bonds that must be broken and the types of bonds that must form for the chemical reaction to take place.arrow_forward
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- Chemistry: Matter and ChangeChemistryISBN:9780078746376Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl WistromPublisher:Glencoe/McGraw-Hill School Pub CoChemistry: An Atoms First ApproachChemistryISBN:9781305079243Author:Steven S. Zumdahl, Susan A. ZumdahlPublisher:Cengage Learning