File talk:PH scale.png

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I altered this pH scale as the reference to the Baking soda showed a pH of 9.2 where this substance has a pH of 8.2

--Quatermass (talk) 16:49, 15 December 2008 (UTC)[reply]


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Jean Brainard (August 18, 2009). "Chemical Basis of Life". CK-12 Flexbooks.

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