Domanda del libro di testo
Identify the precipitate (if any) that forms when the following solutions are mixed, and write a balanced equation for each reaction. b. KOH and Cu(NO3)2
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Ch.4 - Reactions in Aqueous Solution
Brown15th EditionChemistry: The Central ScienceISBN: 9780137542970
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TOC.tableOfContents
- Ch.1 - Introduction: Matter, Energy, and Measurement146
- Ch.2 - Atoms, Molecules, and Ions200
- Ch.3 - Chemical Reactions and Reaction Stoichiometry176
- Ch.4 - Reactions in Aqueous Solution155
- Ch.5 - Thermochemistry126
- Ch.6 - Electronic Structure of Atoms131
- Ch.7 - Periodic Properties of the Elements126
- Ch.8 - Basic Concepts of Chemical Bonding123
- Ch.9 - Molecular Geometry and Bonding Theories143
- Ch.10 - Gases147
- Ch.11 - Liquids and Intermolecular Forces91
- Ch.12 - Solids and Modern Materials122
- Ch.13 - Properties of Solutions126
- Ch.14 - Chemical Kinetics174
- Ch.15 - Chemical Equilibrium101
- Ch.16 - Acid-Base Equilibria139
- Ch.17 - Additional Aspects of Aqueous Equilibria146
- Ch.18 - Chemistry of the Environment72
- Ch.19 - Chemical Thermodynamics129
- Ch.20 - Electrochemistry142
- Ch.21 - Nuclear Chemistry101
- Ch.22 - Chemistry of the Nonmetals68
- Ch.23 - Transition Metals and Coordination Chemistry66
- Ch.24 - The Chemistry of Life: Organic and Biological Chemistry10
Brown15th EditionChemistry: The Central ScienceISBN: 9780137542970Non è quello che usi tu?Cambia libro di testo
Capitolo 4, Problema 25a
Which ions remain in solution, unreacted, after each of the following pairs of solutions is mixed? (a) potassium carbonate and magnesium sulfate
Guida verificata passo dopo passo1
Identify the ions present in each solution: Potassium carbonate (K2CO3) dissociates into 2 K^+ ions and 1 CO3^2- ion. Magnesium sulfate (MgSO4) dissociates into 1 Mg^2+ ion and 1 SO4^2- ion.
Determine the possible products of the reaction: When these solutions are mixed, the possible products are magnesium carbonate (MgCO3) and potassium sulfate (K2SO4).
Consider the solubility rules: Magnesium carbonate (MgCO3) is generally insoluble in water, while potassium sulfate (K2SO4) is soluble.
Predict the precipitate: Since MgCO3 is insoluble, it will precipitate out of the solution, leaving the other ions in solution.
Identify the ions remaining in solution: The ions that remain in solution are the ones that do not form the precipitate, which are K^+ and SO4^2- ions.
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Solubility Rules
Solubility rules are guidelines that help predict whether a compound will dissolve in water. For example, most alkali metal salts, like potassium carbonate, are soluble, while some sulfates, such as those of barium and lead, are insoluble. Understanding these rules is crucial for determining which ions remain in solution after mixing different compounds.
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Percorso guidato
00:28
Solubility Rules
Precipitation Reactions
A precipitation reaction occurs when two soluble salts are mixed, resulting in the formation of an insoluble compound that precipitates out of solution. In the case of potassium carbonate and magnesium sulfate, the potential formation of magnesium carbonate, which is insoluble, must be considered to identify which ions remain in solution.
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Percorso guidato
01:53Selective Precipitation
Ionic Equations
Ionic equations represent the species present in a solution and help visualize the interactions between ions. By writing the complete ionic equation for the reaction between potassium carbonate and magnesium sulfate, one can identify the spectator ions—those that do not participate in the reaction and remain unreacted in the solution.
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Percorso guidato
00:51Net Ionic Equations
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