Concept explainers
A solution is formed by mixing 50.0 mL of 10.0 M NaX with 50.0 mL of 2.0 × 10−3 M CuNO3. Assume that Cu+ forms complex ions with X− as follows:
with an overall reaction
Calculate the following concentrations at equilibrium.
a. Cux32−
b. CuX2−
c. Cu+
Trending nowThis is a popular solution!
Chapter 15 Solutions
Chemistry: An Atoms First Approach
Additional Science Textbook Solutions
Chemistry & Chemical Reactivity
Organic Chemistry - Standalone book
Organic Chemistry (8th Edition)
Inorganic Chemistry
Chemistry For Changing Times (14th Edition)
- When 5 M ammonia is added to a solution containing Cu(OH)2(s), the precipitate will eventually dissolve in solution. Why? If 5 M HNO3 is then added, the Cu(OH)2 precipitate re-forms. Why? In general, what effect does the ability of a cation to form a complex ion have on the solubility of salts containing that cation?arrow_forwardSufficient sodium cyanide, NaCN, was added to 0.015 M silver nitrate, AgNO3, to give a solution that was initially 0.108 M in cyanide ion, CN. What is the concentration of silver ion, Ag+, in this solution after Ag(CN)2 forms? The formation constant Kf for the complex ion Ag(CN)2 is 5.6 1018.arrow_forwardMany natural processes can be studied in the laboratory but only in an environment of controlled pH. Which of these combinations is the best to buffer the pH at approximately 7? Explain your choice. H3PO4/NaH2PO4 NaH2PO4/Na2HPO4 Na2HPO4/Na3PO4arrow_forward
- A 1.0-L solution that is 4.2 M in ammonia is mixed with 26.7 g of ammonium chloride. a What is the hydroxide-ion concentration of this solution? b 0.075 mol of MgCl2 is added to the above solution. Assume that there is no volume change. After Mg(OH)2 has precipitated, what is the molar concentration of magnesium ion? What percent of the Mg2+ is removed from solution?arrow_forwardHow do the concentrations of Ag+ and CrO42- in a saturated solution above 1.0 g of solid Ag2CrO4 Change when 100 g of solid Ag2CrO4 is added to the system? Explain.arrow_forwardThe Ksp for Q, a slightly soluble ionic compound composed of M22+ and X ions, is 4.5 1029. The electron configuration of M+ is [Xe]6s14f145d10. The X anion has 54 electrons. What is the molar solubility of Q in a solution of NaX prepared by dissolving 1.98 g NaX in 150. mL solution?arrow_forward
- Write equations for the stepwise formation of each of the following complex ions. a. CoF63 b. Zn(NH3)42+arrow_forwardSilver and ammonia may react to form Ag(NH₃)₂⁺ complex (K f = 1.66 x 107). A 500 mL of 0.30 mol Ag⁺ and 500 mL of 0.70 mol NH₃ are mixed together. What is the concentration of the metal at equilibrium?arrow_forwardAn ionic compound A2B dissociates in water according to the equation A2B(s) ⇌ 2A+(aq) + B2–(aq) If the concentration of B2– ions in a saturated solution of A2B is 5.9 × 10–3 M, then what is the solubility product constant (Ksp) of this compound?arrow_forward
- If 1.70 g of AgNO3 (molar mass = 169.9 g/mol) is dissolved in 150 mL of 0.20 M hydrochloric acid, the complex ion [AgCl2]− (Kf = 1.1 × 105) will form. When the solution reaches equilibrium, what will be the concentrations of Ag+ and AgCl2 −?arrow_forwardA buffer is made using 200.0 mL of 0.100 M (CH3)3N (trimethylamine) and 100.0 mL of 0.200 M (CH3)3NHCl (trimethylammonium chloride). 10.0 mL of 0.200 M NaOH is added to the buffer. What is the solution pH after the NaOH is added?For (CH3)3N K = 6.3 x 10^-5arrow_forward35 For the aqueous [Fe(CN), complex K₁=1.00 × 10³5 2+ Suppose equal volumes of 0.0078 M Fe(NO3), solution and 0.76M NaCN solution are mixed. Calculate the equilibrium molarity of aqueous Fe²+ ion. Round your answer to 2 significant digits. []м 2 x10 Śarrow_forward
- Chemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage LearningChemistry: An Atoms First ApproachChemistryISBN:9781305079243Author:Steven S. Zumdahl, Susan A. ZumdahlPublisher:Cengage Learning
- ChemistryChemistryISBN:9781305957404Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCostePublisher:Cengage LearningGeneral 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 LearningChemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage Learning