Will The PH Of The Solution Be Greater Or Less Then 7 If The Strong Acid Hydrogen HF Can Be Dissolved In Pure Water?


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Rachel answered
First of, Hydrofluoric acid is considered a weak acid, although it causes a lot of damage (it is used to etch glass). But, if that is how the problem was stated, I guess it can still be answered.
Acids, by definition, produce hydrogen ions. And, if you remember pH, the higher the concentration of hydrogen ions, the closer to 1 the number becomes. So, if you dissolve HF in pure water you should get a pH less than 7.

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