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April 20, 2014

April 20, 2014

Posted by **virginia** on Wednesday, November 10, 2010 at 4:21pm.

If you could let me know that would be great thanks

- biology -
**TheQuestion**, Wednesday, January 12, 2011 at 5:56pmHere's your answer: The pH scale ranges from 0 to 14. Pure water is 7. An acid has a pH value less than 7 and a base has a pH vale greater than 7.

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