AP Chemistry Unit 2: Stoichiometry
Chapter 3: Stoichiometry & Chapter 4: Chemical Reactions and Solution Stoichiometry
II. States of Matter
C. Solutions
1. Types of solutions and factors affecting solubility
2. Methods of expressing concentration (use of normalities is not tested)
3. Raoult’s law and colligative properties (nonvolatile solutes); osmosis
4. Non-ideal behavior (qualitative aspects)
III. Reactions
B. Stoichiometry
1. Ionic and molecular species present in chemical systems: net ionic equations
2. Balancing of equations, including those for redox reactions
3. Mass and volume relations with emphasis on the mole concept, including empirical formulas
and limiting reactants
Knowledge Targets
 I am able to write chemical equations in words
 I am able to write chemical equations using chemical formulae and chemical symbols (this
requires knowledge, and correct use of, chemical nomenclature)
 I understand, and be able to use, state symbols as part of chemical equation writing
 I understand the concept of percentage by mass
 I can calculate the number of moles of a solid substance present in a reaction from data
 I understand that a reaction in aqueous solution is one that is carried out in water
 I understand the terms electrolyte, weak electrolyte and non-electrolyte and be able to predict
which compounds fall into which category
 I am able to write, full, ionic and net ionic equations
 I am familiar with a limited number of colors associated with precipitates
 I can recall that an acid is a hydrogen ion donor
 I can recall that a base is a hydrogen ion acceptor
 I understand how the degree of ionization/dissociation determines the strength of an acid and base
 I understand that in a neutralization reaction an acid and base react to form a salt and water
 I can learn some reactions that produce gases as products and the chemical tests for those gases
 I understand that oxidation and reduction can be described in terms of loss and gain of electrons
respectively
 I am familiar with some common oxidizing and reducing agents and the half-equations that
represent their action
 I am able to recognize the different types of REDOX reaction. Namely synthesis (combination),
decomposition, combustion, single and double displacement (replacement) including metal
displacement, hydrogen displacement from water and acids and halogen displacement
 I have learn and be able to use the reactivity series as a tool for predicting displacement reactions
 I understand the concept of disproportionation
 I can recall and understand the technique of titration
Reasoning Targets
 I can apply the concept of the mole in chemical calculations (including the application of
Avogadro's number)
 I can use combustion data to calculate empirical formulae of compounds
 I can apply the concept of stoichiometric coefficients relating to reacting ratios
 I can perform calculations relating to molarity
 I can perform calculations relating to the Beer-Lambert law for concentration versus absorption
 I can perform calculations relating to dilution
 I can perform calculations relating to molality
 I can calculate the formulae of hydrated salts from experimental data
 I can apply the concept of a limiting reactant
 I can apply the concept of percentage yield
 I can apply solubility rules
 I can use stoichiometry to quantitatively analyze chemical reactions.
 I am able to carry out simple quantitative moles calculations relating to REDOX titration data
Skill Targets
 I can balance chemical equations
 I can calculate empirical formulae from percentage by mass data
 I can convert empirical formulae to molecular formulae by using Molar Mass data
 I can calculate the individual ion concentrations when ionic compounds are dissolved in water
 I am able to assign the oxidation number of an element within a compound
 I can balance chemical reactions including redox reactions using the electrons transferred.
Product Targets
 I can create a mole map to assist in Stoichiometry
 I can create a skit to demonstrate the properties of water as a solvent
 I can create a skit to demonstrate the relationships between acids and bases in a titration
 I can make a Fabulous Fold up for acids and bases
 I can create a skit to demonstrate the transfer of electrons during an oxidation and reduction
reaction.
AP Chemistry Schedule (Week 2: August 30 - September 2)
Monday: The Mole and Molar Mass
Reasoning Targets
 I can apply the concept of the mole in chemical calculations (including the application of
Avogadro's number)
15 minutes – Hand back and review the test on chapters 1 and 2
20 minutes – Mini Lecture and tour of on Laboratory Safety (Students will create a diagram of the
laboratory including the location of the safety equipment and how it is used)
10 minutes – Laboratory Safety Quiz
30 minutes – Review Atomic Mass, Average Mass, Mole and Molar Mass and work on problems 47c, 49c,
51c, 53c, 55c, & 57c page 120
Homework – Redo problems 47c, 49c, 51c, 53c, 55c, & 57c page 120 from chapter 3.
Tuesday: Percent Composition, Empirical and Molecular Formula
Reasoning Targets
 I can apply the concept of a limiting reactant
 I can apply the concept of percentage yield
Skill Targets
 I can calculate empirical formulae from percentage by mass data
 I can convert empirical formulae to molecular formulae by using Molar Mass data
Product Targets
 I can create a mole map to assist in Stoichiometry
10 minutes – Demonstration of penny in 16M nitric acid
20 minutes – Introduction to the Mole home and moving rooms in borrows
25 minutes – Mini Lecture: Percent composition and Empirical and Molecular Formulas
20 minutes – Cooperative Group Problem Solving 67c, 71, 77 and 79 pages 120-122
Homework – Redo problems 67c, 71, 77 and 79 pages 120-122 from chapter 3.
Wednesday: Chemical Reactions
Reasoning Targets
 I can apply the concept of stoichiometric coefficients relating to reacting ratios
 I can use stoichiometry to quantitatively analyze chemical reactions.
Skill Targets
 I can balance chemical equations
Product Targets
 I can create a mole map to assist in Stoichiometry
15 minutes – Mini Lecture: Balancing Chemical Reactions
15 minutes – Introduction to the Mole Home Create the Mole Map
15 minutes – Mini Lecture Mass/Mole Relationships in a Chemical Reaction
15 minutes – Redo problems 89, 93, 95 from page 122 from chapter 3.
Homework – Make a Pre-Laboratory for Experiment 1: Empirical Formula of Copper Iodide from the
handout
Thursday: Chemical Reaction and Stoichiometry
Reasoning Targets
 I can apply the concept of the mole in chemical calculations (including the application of
Avogadro's number)
 I can apply the concept of percentage yield
 I can use stoichiometry to quantitatively analyze chemical reactions.
Skill Targets
 I can calculate empirical formulae from percentage by mass data
5 minutes – Introduction to the laboratory
70 minutes – Collect Data for Experiment: Empirical Formula of copper iodide)
Homework – Finish the data analysis, analysis questions and write a conclusion
Friday: Limiting Reaction and Percent Yield
Reasoning Targets
 I can apply the concept of stoichiometric coefficients relating to reacting ratios
 I can apply the concept of a limiting reactant
 I can apply the concept of percentage yield
 I can use stoichiometry to quantitatively analyze chemical reactions.
Skill Targets
 I can balance chemical equations
 I can calculate empirical formulae from percentage by mass data
 I can convert empirical formulae to molecular formulae by using Molar Mass data
20 minutes – Go over the laboratory
30 minutes – Limiting Reaction and Percent Yield
25 minutes – Problems 107 & 145 pages 123 & 126
Homework – Make a Pre-laboratory for Experiment 2: Percent of Water in a Hydrate from the handout
AP Chemistry Schedule (Week 3: September 5-9)
Monday: Labor Day
Tuesday: Percent of Water in a Hydrate
Reasoning Targets
 I can calculate the formulae of hydrated salts from experimental data
Skill Targets
 I can balance chemical equations
 I can calculate empirical formulae from percentage by mass data
 I can convert empirical formulae to molecular formulae by using Molar Mass data
5 minutes – Introduction to the laboratory: Percent of Water in a Hydrate
70 minutes – Collect the data for the laboratory Percent of Water in a Hydrate
Homework – Finish the data analysis, analysis questions and write a conclusion
Wednesday: Chemical Equations and Stoichiometric Calculations (Mole House)
Reasoning Targets
 I can calculate the formulae of hydrated salts from experimental data
Skill Targets
 I can balance chemical equations
 I can calculate empirical formulae from percentage by mass data
 I can convert empirical formulae to molecular formulae by using Molar Mass data
Product Targets
 I can create a mole map to assist in Stoichiometry
20 minutes – Review the Laboratory Percent of Water in a Hydrate
30 minutes – Practice balancing equations and mole to mole conversions
30 minutes – Work with the Mole Map of the Mole borrows doing problems 101, 111, 125 pages 122-125
Homework – Finish problems 101, 111, 125 pages 122-125
Thursday: Gram to Mole to Mole to Gram Conversions (Reaction Stoichiometry)
30 minutes – Finish reviewing Chapter 3: Stoichiometry
30 minutes – Practice AP type Problems 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 17, 18, 19 from page 96-97 5
Steps to a 5 AP Chemistry
Homework – Finish problems 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 17, 18, 19 from page 96-97 5 Steps to a 5
AP Chemistry
Friday: Introduction to Water the Common Solvent, Strong and Weak Electrolytes and Molarity
Reasoning Targets
 I can perform calculations relating to dilution
 I can perform calculations relating to molality
Skill Targets
 I can calculate the individual ion concentrations when ionic compounds are dissolved in water
Product Targets
 I can create a skit to demonstrate the properties of water as a solvent
20 minutes – Go over the problems from the homework
15 minutes – Skit on Water as a solvent in dissolving an ionic compound
15 minutes – Mini Lecture on Water and Aqueous Solutions
30 minutes – Problems 13, 17, 19, 21, 23 a, c pages 171 – 172
Homework – Finish problems 13, 17, 19, 21, 23 a, c from pages 171-172
AP Chemistry Schedule (Week 4: September 12-16)
Monday: Solution Dilution & Types of Chemical Reactions: Precipitation Reactions
Reasoning Targets
 I can perform calculations relating to molality
 I can calculate the formulae of hydrated salts from experimental data
 I can apply solubility rules
 I can use stoichiometry to quantitatively analyze chemical reactions.
Skill Targets
 I can balance chemical equations
20 minutes – Homework problems from pages 171-172
15 minutes – Partner quiz on Simple Rules for the Solubility of Salts in Water (Use table 4.1 on page 148
to review)
20 minutes – Mini Lecture: Precipitation Reactions
20 minutes – Sample problems 45, 51a and b on page 173
Tuesday: Stoichiometry
Reasoning Targets
 I can apply the concept of stoichiometric coefficients relating to reacting ratios
75 minutes – Review Day: Precipitate Activity: I will describe the technique using the acetate or overhead
projection sheet and droppers (Naming Compounds and writing net ionic equations)
Write the net ionic equations for the precipitate reactions and name the compounds
Homework – Make a pre-laboratory for Gravimetric Analysis of a Metal Carbonate page 9 in the laboratory
manual
Wednesday- Precipitation Reactions
Reasoning Targets
 I can perform calculations relating to molality
 I can calculate the formulae of hydrated salts from experimental data
 I can apply solubility rules
 I can use stoichiometry to quantitatively analyze chemical reactions.
Skill Targets
 I can balance chemical equations
75 minutes – Laboratory: Gravimetric Analysis of a Metal Carbonate
Homework – Problem on Net Ionic Equations 59 on page 174
Thursday: Types of Chemical Reactions: Acid Base Reactions
Reasoning Targets
 I can use stoichiometry to quantitatively analyze chemical reactions.
Skill Targets
 I can balance chemical equations
 I can calculate the individual ion concentrations when ionic compounds are dissolved in water
Product Targets
 I can create a skit to demonstrate the properties of water as a solvent
 I can create a skit to demonstrate the relationships between acids and bases in a titration
20 minutes – Review the net ionic equations from the experiment
15 minutes – Mini Lecture: Acid and Base Reactions and Calculations
25 minutes – Create a fabulous fold up to show the relationships between acids and bases and what occurs
during titrations.
Homework – SQ5R on pages 154-160 Acid-Base Reactions and Titrations and finish your fabulous fold up.
Friday: Acid Base Neutralization
Reasoning Targets
 I can use stoichiometry to quantitatively analyze chemical reactions.
Skill Targets
 I can balance chemical equations
 I can calculate the individual ion concentrations when ionic compounds are dissolved in water
Product Targets
 I can create a skit to demonstrate the properties of water as a solvent
 I can create a skit to demonstrate the relationships between acids and bases in a titration
35 minutes – Demonstration of a Titration of NaOH to determine the molarity using a known molar
concentration of KHSO4
10 minutes – Skit to demonstrate the interactions between acids and bases during neutralization in a
titration.
30 minutes – Cooperative Group Problem Solving: 65, 69a, 70b, 73 from pages 174-175
Homework – Finish the Problems 65, 69a, 70b, 73 from pages 174-175
AP Chemistry Schedule (Week 5: September 19-23)
Monday: Oxidation Reduction Reactions
Reasoning Targets
 I can use stoichiometry to quantitatively analyze chemical reactions.
 I am able to carry out simple quantitative moles calculations relating to REDOX titration data
Skill Targets
 I am able to assign the oxidation number of an element within a compound
 I can balance chemical reactions including redox reactions using the electrons transferred.
Product Targets
 I can create a mole map to assist in Stoichiometry

I can create a skit to demonstrate the transfer of electrons during an oxidation and reduction
reaction.
15 minutes – Review the homework from pages 174-175
15 minutes – Lecture on oxidation and reduction reactions
20 minutes – Skit to act out the exchange of electrons in an oxidation reduction reaction
25 minutes – Practice Problems 79 a, c, e, and 81 from page 175
Homework – Finish problems 79 a, c, e, and 81 from page 175
Tuesday: Balancing Chemical Oxidation and Reduction Reactions
Reasoning Targets
 I can use stoichiometry to quantitatively analyze chemical reactions.
 I am able to carry out simple quantitative moles calculations relating to REDOX titration data
Skill Targets
 I am able to assign the oxidation number of an element within a compound
 I can balance chemical reactions including redox reactions using the electrons transferred.
Product Targets
 I can create a mole map to assist in Stoichiometry
 I can create a skit to demonstrate the transfer of electrons during an oxidation and reduction
reaction.
20 minutes – Mini Lecture on Balancing Redox Reactions
30 minutes – Problem Solving 83 a, c, e, and 87 from page 175-176
25 minutes – Begin to review for the test on Chapter 3 and 4 Stoichiometry and Reactions (Review
Questions 1-3 page 95 and Free Response Question page 99 (5 steps to a 5 AP Chemistry)
Homework – Finish 1-3 page 95 and Free Response Question page 99
Wednesday: Review Stoichiometry and Types of Chemical Reactions
25 minutes – Make a fabulous fold up on the types of chemical reactions
30 minutes – Final Review for the Test on Chapter 3 and 4 Problems 35, 77, 79, 139 page 120-125 and 35c,
d, 46, 75, 84 pages 173-175.
20 minutes – Work on the interactive notebook (Finish the title page and work on reflecting on the targets)
Homework – Finalize the interactive notebook and review for the test
Thursday: Test on Chapter 3: Stoichiometry and Chapter 4: Chemical Equations and Solutions
Stoichiometry
5 minutes – Collect Spiral Notebooks
55 minutes – Test on Chapters 3 and 4 Stoichiometry