Domanda del libro di testo
Predict whether aqueous solutions of the following substances are acidic, basic, or neutral: (a) AlCl3
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Ch.16 - Acid-Base Equilibria
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 16, Problema 88c
Predict whether aqueous solutions of the following substances are acidic, basic, or neutral: (c) NaClO
Guida verificata passo dopo passo1
Step 1: Identify the type of salt. NaClO is a salt, which is a product of a reaction between an acid and a base. In this case, NaClO is a product of the reaction between NaOH (a strong base) and HOCl (a weak acid).
Step 2: Determine the strength of the parent acid and base. The parent acid is HOCl and the parent base is NaOH. NaOH is a strong base and HOCl is a weak acid.
Step 3: Predict the behavior of the salt in water. Since NaOH is a strong base and HOCl is a weak acid, NaClO will produce more OH- ions than H+ ions when dissolved in water.
Step 4: Determine the pH of the solution. A solution with more OH- ions than H+ ions is basic, so a solution of NaClO in water will be basic.
Step 5: Final prediction. Therefore, an aqueous solution of NaClO is basic.
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Acid-Base Theory
Acid-base theory explains the behavior of substances in terms of their ability to donate protons (H+) or accept protons. According to the Brønsted-Lowry theory, acids are proton donors, while bases are proton acceptors. Understanding this concept is crucial for predicting the acidity or basicity of a solution.
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Percorso guidato
02:08
Bronsted-Lowry Acid-Base Theory
Salt Hydrolysis
Salt hydrolysis occurs when an ionic compound dissolves in water and its ions interact with water molecules, potentially affecting the pH of the solution. In the case of NaClO, the sodium ion (Na+) is neutral, while the hypochlorite ion (ClO-) can react with water to form hypochlorous acid (HClO), influencing the solution's acidity.
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00:50Ionic Salts
pH Scale
The pH scale measures the acidity or basicity of a solution, ranging from 0 (very acidic) to 14 (very basic), with 7 being neutral. A solution is considered acidic if it has a pH less than 7 and basic if greater than 7. Understanding the pH scale is essential for determining the nature of the solution formed by the dissolution of substances like NaClO.
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Percorso guidato
02:33The pH Scale
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