1. Chapter 11 Chemical Reactions 11.3 Reactions in Aqueous Solution
11.1 Describing Chemical Reactions
11.2 Types of Chemical Reactions
11.3 Reactions in Aqueous Solution
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2. Predicting the Formation of a Precipitate
Use your solubility table to determine which compounds will precipitate (form a solid).
PbCl2
KOH
NaOH
BaSO4
FeS
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3. Classifying Reactions
Do Now:
Predict the products
AgNO3(aq) NaCl(aq)
Cu(OH)2(aq) + H3PO4(aq) →
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4. Complete ionic equation
Net Ionic Equations
Complete ionic equation
shows dissolved ionic compounds as dissociated free ions.
Ag+(aq) + NO3–(aq) + Na+(aq) + Cl–(aq) → AgCl(s) + Na+(aq) + NO3–(aq)
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5. Net Ionic Equations
spectator ion - ion that appears on both sides of equation and is not involved in the reaction.
Ag+(aq) + NO3–(aq) + Na+(aq) + Cl–(aq) → AgCl(s) + Na+(aq) + NO3–(aq)
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6. Ag+(aq) + Cl–(aq) → AgCl(s) Make sure ionic charge is balanced!
Net Ionic Equations
net ionic equation – only shows particles directly involved in the chemical change.
Ag+(aq) + Cl–(aq) → AgCl(s)
Make sure ionic charge is balanced!
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7. Classifying Reactions
1. Predict the products of the following reaction. 2. Balance the equation.
3. Write the net ionic equation.
FeCl3 (aq) + KOH (aq) →
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8. 1. Write a balanced equation.
Sample Problem 11.8
1. Write a balanced equation.
FeCl3 (aq) + 3KOH (aq) → Fe(OH)3(s) + 3KCl(aq)
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9. 2. Write the complete ionic equation.
Sample Problem 11.8
2. Write the complete ionic equation.
Fe3+(aq) + 3Cl–(aq) + 3K+(aq) + 3OH–(aq) →
Fe(OH)3(s) + 3K+(aq) + 3Cl–(aq)
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10. 3. Eliminate spectator ions.
Sample Problem 11.8
3. Eliminate spectator ions.
Fe3+(aq) + 3Cl–(aq) + 3K+(aq) + 3OH–(aq) →
Fe(OH)3(s) + 3K+(aq) + 3Cl–(aq)
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11. Fe3+(aq) + 3OH–(aq) → Fe(OH)3(s)
Sample Problem 11.8
4. Write the net ionic equation.
Fe3+(aq) + 3OH–(aq) → Fe(OH)3(s)
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12. MgCl2(aq) + 2 NaOH(aq) → Mg(OH)2(s) + 2 NaCl(aq)
Net Ionic Equations
Write the complete ionic equation and net ionic equation for:
MgCl2(aq) + 2 NaOH(aq) → Mg(OH)2(s) + 2 NaCl(aq)
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13. Do Now: Determine the net ionic equation for:
Net Ionic Equations
Do Now: Determine the net ionic equation for:
Na2CO3(aq) + CaCl2(aq) →
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14. Crash Course Chemistry – Precipitates https://www. youtube. com/watch
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15. END OF 11.3
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