The methods used and the answers listed may not be correct.  No warranty, expressed or implied, on homework solutions offered by John M. Kord.  Use this information at your own risk.   You must read the textbook and do the homework yourself to understand the material.  Don't cheat yourself.  Check out the videos; watch them twice if necessary.  The method I used for figuring mixture problems is different than presented in the text and lecture.  If you have any questions, please feel free to e-mail or ICQ me.   Limit one refill per visit.  Shoplifters will be prosecuted.   Batteries not included.  No exit.