P H Sign Video
Upload On Tue Jun 28 2011 by ASL STEM
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Definition
A measure used to describe the acidity or basicity of a solution. The pH scale is a logarithmic scale that ranges from 0 to 14. pH values refer to the negative logarithm of the concentration of protons [H+] in a solution.
Source: http://www.elmhurst.edu/~chm/vchembook/184ph.html
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