The Hammett acidity function (a function similar to pH) of the fluoroantimonic acid is -31,3.
See the link below for the Hammett acidity function.
Fluoroantimonic acid is a superacid and does not have a defined pH value as it is beyond the range of standard pH measurement. It is one of the strongest known acids, with a Hammett acidity function of -31.3, making it several trillion times more acidic than concentrated sulfuric acid.
Fluoroantimonic acid is one of the strongest known superacids, estimated to have a pH of around -28. This extreme acidity is due to the high electronegativity and small size of the fluorine and antimony atoms in the acid molecule. It is so corrosive and reactive that it can only be stored in containers made of polyethylene or Teflon.
pH is not a useful measure of such strong acids. Instead, the Hammett Acidity Function (H0) is used. The H0 of fluoroantimonic acid is around -31.
Fluoroantimonic acid is much stronger. Even stronger than that is the Helium Hydride Cation (HeH+)
Carborane superacids are generally considered more corrosive than fluoroantimonic acid. They are extremely strong acids that can catalyze many reactions, to an extent not achievable with fluoroantimonic acid alone.
Fluoroantimonic acid is a superacid and does not have a defined pH value as it is beyond the range of standard pH measurement. It is one of the strongest known acids, with a Hammett acidity function of -31.3, making it several trillion times more acidic than concentrated sulfuric acid.
0. however, the pKa can go down to -25, as in the case with fluoroantimonic acid
The strongest acid is fluoroantimonic acid which is 2×1019 times stronger than 100% sulfuric acid.
Fluoroantimonic acid is one of the strongest known superacids, estimated to have a pH of around -28. This extreme acidity is due to the high electronegativity and small size of the fluorine and antimony atoms in the acid molecule. It is so corrosive and reactive that it can only be stored in containers made of polyethylene or Teflon.
The strongest acid, which is categorized into a group called super acids, is called Fluoroantimonic acid which has a pH of around −25.
You might be referring to superacids. Some examples of superacids are fluoroantimonic acid which is 2×1019 (20 quintillion) times stronger than 100% sulfuric acid, and Hydrochloric acid which is present in the stomach's gastric juice.http://www.answers.com/topic/fluoroantimonic-acid
pH is not a useful measure of such strong acids. Instead, the Hammett Acidity Function (H0) is used. The H0 of fluoroantimonic acid is around -31.
Fluoroantimonic acid is much stronger. Even stronger than that is the Helium Hydride Cation (HeH+)
Carborane superacids are generally considered more corrosive than fluoroantimonic acid. They are extremely strong acids that can catalyze many reactions, to an extent not achievable with fluoroantimonic acid alone.
=Fluoroantimonic acid is by far the strongest acid being approximately 20,000,000,000,000,000,000 times as strong as 100% sulphuric acid and with a pH of -25.==The weakest acid is less distinguished. However, carbonic acid is an example of a weak acid.=
the pH scale goes from 0-14, 0 being most acidic, and 14 being least acidic, or basic. 7 is neutral. water has a pH of 7. So a very strong acid would have a pH of in the range of 0-2. But an example, like Fluoroantimonic acid, can go down to -25
The strongest acid is fluoroantimonic acid, which is a superacid. It is created by mixing hydrogen fluoride with antimony pentafluoride. Fluoroantimonic acid is over a billion times stronger than sulfuric acid.