4. AgCN(s)⇄Ag+(aq)+CN−(aq) The dissolution of solid AgCN is represented by the chemical equation above. In pure water, the equilibrium concentration of Ag+ ions in a saturated solution is 7.7×10−9 M . If a small amount of solid NaCN is added to the saturated AgCN solution, which of the following would be observed? a) The Ksp increases and more AgCN dissolves. b)The Ksp increases and some AgCN precipitates. c) The molar solubility of AgCN becomes smaller than 7.7×10−9 M and some AgCN precipitates. d)The molar solubility of AgCN becomes larger than 7.7×10−9 M and more AgCN dissolves
4. AgCN(s)⇄Ag+(aq)+CN−(aq) The dissolution of solid AgCN is represented by the chemical equation above. In pure water, the equilibrium concentration of Ag+ ions in a saturated solution is 7.7×10−9 M . If a small amount of solid NaCN is added to the saturated AgCN solution, which of the following would be observed? a) The Ksp increases and more AgCN dissolves. b)The Ksp increases and some AgCN precipitates. c) The molar solubility of AgCN becomes smaller than 7.7×10−9 M and some AgCN precipitates. d)The molar solubility of AgCN becomes larger than 7.7×10−9 M and more AgCN dissolves
Chemistry
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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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4. AgCN(s)⇄Ag+(aq)+CN−(aq)
The dissolution of solid AgCN is represented by the chemical equation above. In pure water, the equilibrium concentration of Ag+ ions in a saturated solution is 7.7×10−9 M . If a small amount of solid NaCN is added to the saturated AgCN solution, which of the following would be observed?
a) The Ksp increases and more AgCN dissolves. b)The Ksp increases and some AgCN precipitates. c) The molar solubility of AgCN becomes smaller
than 7.7×10−9 M and some AgCN precipitates. d)The molar solubility of AgCN becomes larger
than 7.7×10−9 M and more AgCN dissolves.
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