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Ch.4 - Chemical Quantities & Aqueous Reactions
Tro - Chemistry: A Molecular Approach 4th Edition
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Tutti i libri di testoTro 4th EditionCh.4 - Chemical Quantities & Aqueous ReactionsProblema 87
Capitolo 4, Problema 87

Write balanced complete ionic and net ionic equations for each acid–base reaction. a. HBr(aq) + NaOH(aq) → b. HF(aq) + NaOH(aq) → c. HC2H3O2(aq) + RbOH(aq) →

Guida verificata passo dopo passo
1
Identify the type of reaction: These are acid-base reactions where an acid reacts with a base to form water and a salt.
Write the balanced molecular equation for each reaction: a. HBr(aq) + NaOH(aq) → NaBr(aq) + H₂O(l), b. HF(aq) + NaOH(aq) → NaF(aq) + H₂O(l), c. HC₂H₃O₂(aq) + RbOH(aq) → RbC₂H₃O₂(aq) + H₂O(l).
Write the complete ionic equation by dissociating all strong electrolytes into their ions: a. H⁺(aq) + Br⁻(aq) + Na⁺(aq) + OH⁻(aq) → Na⁺(aq) + Br⁻(aq) + H₂O(l), b. HF(aq) + Na⁺(aq) + OH⁻(aq) → Na⁺(aq) + F⁻(aq) + H₂O(l), c. HC₂H₃O₂(aq) + Rb⁺(aq) + OH⁻(aq) → Rb⁺(aq) + C₂H₃O₂⁻(aq) + H₂O(l).
Identify and cancel out the spectator ions that appear on both sides of the complete ionic equation: a. Na⁺ and Br⁻ are spectator ions, b. Na⁺ is a spectator ion, c. Rb⁺ is a spectator ion.
Write the net ionic equation by removing the spectator ions: a. H⁺(aq) + OH⁻(aq) → H₂O(l), b. HF(aq) + OH⁻(aq) → F⁻(aq) + H₂O(l), c. HC₂H₃O₂(aq) + OH⁻(aq) → C₂H₃O₂⁻(aq) + H₂O(l).

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Acid-Base Reactions

Acid-base reactions involve the transfer of protons (H⁺ ions) between reactants. In these reactions, acids donate protons while bases accept them. Understanding the nature of the acids and bases involved is crucial for predicting the products and writing the corresponding equations.
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01:09
Acid-Base Reaction

Complete Ionic Equations

A complete ionic equation represents all the ions present in a solution during a reaction. It shows the reactants and products in their ionic forms, highlighting the dissociation of soluble ionic compounds. This step is essential for identifying the species that participate in the reaction.
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00:47
Complete Ionic Equations

Net Ionic Equations

Net ionic equations simplify complete ionic equations by removing spectator ions—ions that do not participate in the reaction. This focuses on the actual chemical change occurring, making it easier to understand the core interaction between the reacting species. Writing net ionic equations is key for analyzing the essence of acid-base reactions.
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00:51
Net Ionic Equations
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