Website Links:
- http://www.elmhurst.edu/~chm/vchembook/184ph.html
- http://www.sciencebuddies.org/science-fair-projects/project_ideas/Chem_AcidsBasespHScale.shtml
- http://chemwiki.ucdavis.edu/Physical_Chemistry/Acids_and_Bases/Aqueous_Solutions/The_pH_Scale
- http://www.ducksters.com/science/acids_and_bases.php
- http://www.visionlearning.com/en/library/Chemistry/1/Acids-and-Bases/58
- https://www.khanacademy.org/science/chemistry/acids-and-bases
- http://en.wikipedia.org/wiki/Base_(chemistry)
- http://sciencespot.net/Pages/kdzchem3.html
- http://chemed.chem.purdue.edu/genchem/topicreview/bp/ch18/soluble.php
- https://www.chem.wisc.edu/deptfiles/genchem/sstutorial/Text11/Tx112/tx112.html