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Ch.5 - Introduction to Solutions and Aqueous Solutions
Tro - Chemistry: A Molecular Approach 5th Edition
Tro5th EditionChemistry: A Molecular ApproachISBN: 9780134874371Non è quello che usi tu?Cambia libro di testo
Tutti i libri di testoTro 5th EditionCh.5 - Introduction to Solutions and Aqueous SolutionsProblema 54b
Capitolo 5, Problema 54b

Complete and balance each acid–base equation. b. HC2H3O2(aq) + Ca(OH)2(aq) →

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Identify the reactants: acetic acid \((\text{HC}_2\text{H}_3\text{O}_2)\) and calcium hydroxide \((\text{Ca(OH)}_2)\).
Determine the products: the reaction between an acid and a base typically produces water \((\text{H}_2\text{O})\) and a salt. Here, the salt is calcium acetate \((\text{Ca(C}_2\text{H}_3\text{O}_2)_2)\).
Write the unbalanced chemical equation: \(\text{HC}_2\text{H}_3\text{O}_2(aq) + \text{Ca(OH)}_2(aq) \rightarrow \text{Ca(C}_2\text{H}_3\text{O}_2)_2(aq) + \text{H}_2\text{O}(l)\).
Balance the equation by adjusting coefficients to ensure the same number of each type of atom on both sides. Start by balancing the acetate ions \((\text{C}_2\text{H}_3\text{O}_2^-)\), then balance the calcium \((\text{Ca}^{2+})\), and finally the water molecules.
Verify that the equation is balanced by counting the atoms of each element on both sides of the equation.

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Acid-Base Reactions

Acid-base reactions involve the transfer of protons (H+) between reactants. In this context, acetic acid (HC2H3O2) acts as an acid, donating a proton, while calcium hydroxide (Ca(OH)2) serves as a base, accepting the proton. Understanding this transfer is crucial for predicting the products of the reaction.
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01:09
Acid-Base Reaction

Balancing Chemical Equations

Balancing chemical equations ensures that the number of atoms for each element is the same on both sides of the equation. This is based on the law of conservation of mass, which states that matter cannot be created or destroyed in a chemical reaction. Proper balancing is essential for accurately representing the stoichiometry of the reaction.
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Balancing Chemical Equations

Products of Acid-Base Neutralization

In a typical acid-base neutralization reaction, the products are usually a salt and water. In this case, the reaction between acetic acid and calcium hydroxide will produce calcium acetate and water. Recognizing the expected products helps in correctly completing and balancing the equation.
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Lewis Acids and Bases
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