 ### Stoichiometry and Gravimetric Stoiochiometry Lesson Plan

#### Content

Moles, Mole Ratios, Limiting Reactant, Excess Reactant, Theoretical Yield, Actual Yield, Percent Yield

#### Goals / Aims of The Lesson Plan

1. Explain the sequence of steps used in solving stoichiometric problems
2. Use the steps to solve stoichiometric problems
3. Calculating the corresponding mass, or quantity in moles or molecules, for any given reactant or product in a balanced chemical equation.

#### Objectives

1. Identify quantitative relationships in a balanced equation
2. Determine mole ratios from balanced equations
3. Identify limiting reactants in a chemical equation
4. Identify excess reactants in chemical equations
5. Determine the percent yield for a chemical reaction
6. Students will learn the process to solve gravimetric stoichiometry problems.

#### Materials and Aids

Computer,Lab Materials, Power point presentation, Periodic Table

### Procedure

A. Introduction-

1. Background information concept that a balanced chemical equation based on numbers not mass
2. Convert mass to moles

B. Development-

1.Stoichiometry Graphic Organizer
2.Define Stoichiometry
3.Work through two examples as a class.

C. Practice-

1. Stoichiometry Concept Map
2. Baking Soda Lab
3. Smore Lab
4. Go through two examples of stoichiometry calculations.
5. Mole to mole ratio
6. Mass to formula mass

D. Independent Practice-

1. Review Worksheets for Homework
2. Quiz
3. Stoichiometry Assignment

E. Accommodations (Differentiated Instruction)-

1. Extended time on homework

F. Checking for understanding-

1.Students will present homework problems on overhead

G. Closure-

1.Review
2.Test on Unit

F. Evaluation-

1.Quiz Stoichiometric Calculations. 8-15 questions.
2.Test Moles & Stoichiometry