This is are really cool website. It has some interesting information that will be a great help for our water project. It explained the different pHs (with other numbers) and a few equations. I think this is a valuble trustworth website. What i thought was really cool was their little animation in the beginning. It had very good information and it draws the reader in. I thought it was cool that you can move the center piece back and forth and see how the numbers change when there is more acid or the other direction Alkali. Alkali is (from dictionary.com's deffinition) "any of various other more or less active bases, as calcium hydroxide." I thought it was interesting that when it was on 7, which is when it is completly nutural the number is 0.0000001 and when the number was 7.0 the hydrogen ion concentration is 0.00000095.
The website is:
http://www.purchon.com/chemistry/ph.htm
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