Domanda del libro di testo
Which of the following ions are likely to form? Explain.
a. Li2+
b. K-
c. Mn3+
d. Zn4+
e. Ne+
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Ch.3 Ionic Compounds
McMurry8th EditionFundamentals of General, Organic, and Biological ChemistryISBN: 9780134015187
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TOC.tableOfContents
- Ch.1 Matter and Measurements27
- Ch.2 Atoms and the Periodic Table20
- Ch.3 Ionic Compounds8
- Ch.4 Molecular Compounds23
- Ch.5 Classification & Balancing of Chemical Reactions12
- Ch.6 Chemical Reactions: Mole and Mass Relationships28
- Ch.7 Chemical Reactions: Energy, Rate and Equilibrium64
- Ch.8 Gases, Liquids and Solids24
- Ch.9 Solutions52
- Ch.10 Acids and Bases25
- Ch.11 Nuclear Chemistry22
- Ch.12 Introduction to Organic Chemistry: Alkanes57
- Ch.13 Alkenes, Alkynes, and Aromatic Compounds47
- Ch.14 Some Compounds with Oxygen, Sulfur, or a Halogen50
- Ch.15 Aldehydes and Ketones45
- Ch.16 Amines42
- Ch.17 Carboxylic Acids and Their Derivatives57
- Ch.18 Amino Acids and Proteins82
- Ch.19 Enzymes and Vitamins63
- Ch.20 Carbohydrates44
- Ch.21 The Generation of Biochemical Energy65
- Ch.22 Carbohydrate Metabolism45
- Ch.23 Lipids42
- Ch.24 Lipid Metabolism33
- Ch.25 Protein and Amino Acid Metabolism24
- Ch.26 Nucleic Acids and Protein Synthesis45
McMurry8th EditionFundamentals of General, Organic, and Biological ChemistryISBN: 9780134015187Non è quello che usi tu?Cambia libro di testo
Capitolo 3, Problema 28
One of these pictures represents a solution of HCl and one represents a solution of H2SO4. Which is which?
a. <IMAGE>
b. <IMAGE>
Guida verificata passo dopo passo1
Step 1: Analyze the chemical properties of HCl and H₂SO₄. HCl dissociates into one cation (H⁺) and one anion (Cl⁻), while H₂SO₄ dissociates into two H⁺ cations and one SO₄²⁻ anion.
Step 2: Examine the images provided. Count the number of cations (blue spheres) and anions (red spheres) in each image. Identify which image has a 1:1 ratio of cations to anions (indicative of HCl) and which has a 2:1 ratio of cations to anions (indicative of H₂SO₄).
Step 3: For the image with a 1:1 ratio, assign it to the HCl solution, as HCl dissociates into equal numbers of H⁺ and Cl⁻ ions.
Step 4: For the image with a 2:1 ratio, assign it to the H₂SO₄ solution, as H₂SO₄ dissociates into two H⁺ ions for every SO₄²⁻ ion.
Step 5: Confirm your analysis by ensuring the ratios match the expected dissociation patterns of the acids. HCl should have equal numbers of cations and anions, while H₂SO₄ should have twice as many cations as anions.
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Strong Acids
Strong acids, such as hydrochloric acid (HCl) and sulfuric acid (H2SO4), completely dissociate in water, releasing hydrogen ions (H+) and their respective anions. HCl dissociates into H+ and Cl-, while H2SO4 dissociates into H+ and SO4^2-. Understanding this dissociation is crucial for identifying the solutions based on the ions present.
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Percorso guidato
02:39
Strong Acids and Bases
Ion Concentration
The concentration of ions in a solution can indicate the type of acid present. HCl produces one H+ ion and one Cl- ion per molecule, while H2SO4 produces two H+ ions and one SO4^2- ion. Analyzing the ratio and types of cations and anions in the diagrams can help determine which solution corresponds to HCl and which to H2SO4.
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00:52Percent Concentrations Concept 1
Visual Representation of Ions
The diagrams provided visually represent the distribution of cations (blue) and anions (red) in the solutions. By examining the arrangement and quantity of these ions, one can infer the identity of the acid. For instance, a higher density of H+ ions would suggest a stronger acid like H2SO4, while a more balanced distribution may indicate HCl.
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Percorso guidato
01:16Polyatomic Ions
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Write the electron configurations of Co, Co2+, and Co3+.
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Domanda del libro di testo
The elements in red in the periodic table can form cations having more than one charge. Write the formulas and names of the compounds that are formed between the red cations and the blue anions depicted in the periodic table.
1791
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