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Chapter 4 Aqueous Reactions and Solution Stoichiometry

Chemistry: The Central Science , 10th edition Theodore L. Brown, H. Eugene LeMay, Jr., and Bruce E. Bursten. Chapter 4 Aqueous Reactions and Solution Stoichiometry. Todd Austell, The University of North Carolina  2006, Pearson Prentice Hall. a. KCN ( aq ) K + ( aq ) and CN – ( aq )

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Chapter 4 Aqueous Reactions and Solution Stoichiometry

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  1. Chemistry: The Central Science, 10th edition Theodore L. Brown, H. Eugene LeMay, Jr., and Bruce E. Bursten Chapter 4Aqueous Reactions and Solution Stoichiometry Todd Austell, The University of North Carolina  2006, Pearson Prentice Hall

  2. a. • KCN(aq) • K+(aq) and CN–(aq) • K–(aq) and CN+(aq) • K+(aq), C4–(aq), and N3+(aq)

  3. a. • KCN(aq) • K+(aq) and CN–(aq) • K–(aq) and CN+(aq) • K+(aq), C4–(aq), and N3+(aq)

  4. b. • NaClO4(aq) • Na+(aq) and 4ClO–(aq) • Na+(aq), Cl–(aq) and 4O2–(aq) • Na+(aq) and ClO4–(aq)

  5. b. • NaClO4(aq) • Na+(aq) and 4ClO–(aq) • Na+(aq), Cl–(aq) and 4O2–(aq) • Na+(aq) and ClO4–(aq)

  6. Cannot determine without concentration information. • Both will cause the lightbulb to glow with equal brightness. • MgBr2 • CH3OH

  7. Cannot determine without concentration information. • Both will cause the lightbulb to glow with equal brightness. • MgBr2 • CH3OH

  8. Cannot determine without concentration information. • HBr • H2SO3 • HC2H3O2

  9. Cannot determine without concentration information. • HBr • H2SO3 • HC2H3O2

  10. H2(g) • CO2(g) • H2S(g) • SO2(g)

  11. H2(g) • CO2(g) • H2S(g) • SO2(g)

  12. a. • Ne • He • Ar • Kr

  13. a. • Ne • He • Ar • Kr

  14. b. • 1+ • 2+ • 0 • 1–

  15. b. • 1+ • 2+ • 0 • 1–

  16. Mg2+(aq) • Ni2+(aq)

  17. Mg2+(aq) • Ni2+(aq)

  18. Concentration (molarity) remains the same. • The new concentration is 0.25 M. • The new concentration is 1.00 M. • The new concentration is 2.00 M.

  19. Concentration (molarity) remains the same. • The new concentration is 0.25 M. • The new concentration is 1.00 M. • The new concentration is 2.00 M.

  20. 12.50 mL • 25.00 mL • 50.00 mL • 75.00 mL

  21. 12.50 mL • 25.00 mL • 50.00 mL • 75.00 mL

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