Problem Set 1 (Significant Figures)             Answer key    
Problem set 2 Factor label method              Answer key

Additional problem set                               Answer key
Problem set 3 Nomenclature                      Answer key
Problem set 4 Stoichiometry                       Answer key
Problem set 5 Gases and solutions              Answer key

Additional problem set
Problem set 6 hydrocarbons                       Answer key 
Problem Set 6b (Acids & Bases)                 Answer key
Problem Set 7 (Alcohols, Ethers, & Thiols)    Answer key
Problem Set 8 (Carbohydrates & Lipids)        Answer key
Review Chapters 1-3                                  Answer key   
Review Chapters 4-6                                  Answer key   
Review Chapters 8-18                                 Answer key 
Review Chapters 19-28