Discuss OronD's answer to: PH

What is the pH in 8 M of NaOH

OronD
OronD Answered:

McCann always gives good answers and contriburtes a lot to this site, but this time he is wrong.  The PH scale is from 0 to 14 (in extreme, very rare cases the PH can be below 0).  PH =7 is neutral, the lower it is (below 7) the more acid it is and the more it is above 7 the more alkline it is.   PH of 14.9 does not exist. 

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John McCann
John McCann

You are wrong and pH can be above 14.
 
John McCann
John McCann

Also, below 0 is not uncommon nor rare and many concentrated acids are such as that, below 0.
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