1. STOICHIOMETRY
Mass-Mass Problems

2. Write a Balanced Equation
Mass-Mass Problems
STEP 1
Write a Balanced Equation
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3. Determine the Given and the Unknown
Mass-Mass Problems
STEP 2
Determine the Given and the Unknown
Convert Given to Moles

4. Determine the Mole Ratio using the Equation
Mass-Mass Problems
STEP 3
Determine the Mole Ratio using the Equation

5. Using Molar mass convert Unknown moles back to Grams
Mass-Mass Problems
STEP 4
Using Molar mass convert Unknown moles back to Grams

6. Mass-Mass Problems
The Steps to solve mass –mass problems will always follow this factor-label guideline.
Given in grams
1 Mole of Given
(Coefficient) Moles Unknown
Molar Mass of Unknown 1
Molar mass of Given
(Coefficient) Moles Given
1 Mole of
Unknown

7. Click on the stoichiometry link above.
The Rest of the Steps
To get a look at solving problems
try….
A tutorial
Click on the stoichiometry link above.

8. Stoichiometry Overview
Click on the following page and then go to section 4.8 Limiting Reactants.
Help on problems