CL Chem Chapter 17 continuation: Ksp Past AP Problems 2011 form B, question #231 Answer the following questions about the solubility and reactions of the ionic compounds M(OH)2 and MCO3, where M represents an unidentified metal. (a) Identify the charge of the M ion in the ionic compounds above. (b) At 25°C, a saturated solution of M(OH)2 has a pH of 9.15. (i) Calculate the molar concentration of OH (aq) in the saturated solution. (ii) Write the solubility-product constant expression for M(OH)2. (iii) Calculate the value of the solubility-product constant, K., for M(OH)2 at 25°C.
CL Chem Chapter 17 continuation: Ksp Past AP Problems 2011 form B, question #231 Answer the following questions about the solubility and reactions of the ionic compounds M(OH)2 and MCO3, where M represents an unidentified metal. (a) Identify the charge of the M ion in the ionic compounds above. (b) At 25°C, a saturated solution of M(OH)2 has a pH of 9.15. (i) Calculate the molar concentration of OH (aq) in the saturated solution. (ii) Write the solubility-product constant expression for M(OH)2. (iii) Calculate the value of the solubility-product constant, K., for M(OH)2 at 25°C.
Chemistry by OpenStax (2015-05-04)
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Chapter14: Acid-base Equilibria
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Problem 47E: Explain why equilibrium calculations are not necessary to determine ionic concentrations in...
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I understand how to solve the questions, but in the overall question how do we know that the unknown metal compound would not be included in the Ksp expression? We are assuming that the unknown metal compounds are solid but why? And if they are solid because of solubility rules, wouldn't that mean that they would not ionize in solution? I hope this question makes sense
Transcribed Image Text:CL Chem Chapter 17 continuation: Ksp Past AP Problems
2011 form B, question #231
Answer the following questions about the solubility and reactions of the ionic compounds M(OH)2
and MCO3, where M represents an unidentified metal.
(a) Identify the charge of the M ion in the ionic compounds above.
(b) At 25°C, a saturated solution of M(OH)2 has a pH of 9.15.
(i) Calculate the molar concentration of OH (aq) in the saturated solution.
(ii) Write the solubility-product constant expression for M(OH)2.
(iii) Calculate the value of the solubility-product constant, K., for M(OH)2 at 25°C.
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