pH scale

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Ann Pham
Posts: 21
Joined: Fri Sep 25, 2015 3:00 am

pH scale

Postby Ann Pham » Sat Nov 21, 2015 2:13 am

How can a pH go below 0 or beyond 14?

Chiara R 1K
Posts: 22
Joined: Fri Sep 25, 2015 3:00 am

Re: pH scale

Postby Chiara R 1K » Sat Nov 21, 2015 9:44 am

In lecture, I think Professor Lavelle said that when the hydronium concentration is greater than 1, the pH is less than zero and the substance is considered a super acid. (And conversely super bases are those that have a pH over 14), which means it is possible to have pH less than 0 or greater than 14 (but the biological range is usually between 1 and 13)!

Chem_Mod
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Re: pH scale

Postby Chem_Mod » Sun Nov 22, 2015 4:37 am

Yes, with very strong acids and bases, the pH can exceed the 0-14 pH scale.


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