Sites like Scribd and Course Hero provide previews or downloadable versions, though they may require a subscription.
A specific note about Huheey: Because the book has been through 5 editions (the 4th edition is the most common), problem numbers shift. The solution manual for the 3rd edition does not match the 4th edition. Consequently, many circulating PDFs have the wrong answers for your specific homework set. Using a mismatched manual is worse than having no manual at all.
: To help with abstract concepts, the manual frequently uses diagrams and illustrations to explain molecular geometries and complex reaction mechanisms Usage Strategies for Students Bridge the Learning Curve
Searching on file-sharing websites (such as archive.org, academia.edu, or various "PDF repositories") may yield scanned copies. However, users should be aware of several issues:
: Periodicity, chemistry of the halogens and noble gases, and the role of inorganic chemistry in biological systems. Access and Resources