How come acid doesn’t eat through glass like it does everything else?
In: Chemistry
All an acid means is that when you add it too water it will result in a solution with an excess of H^(+) ions. pH tells you howm many of those ions there are per mole. It doesn’t necessarily tell you anything about how reactive it is. Citric acid has a pH of around 3 but will take a while to dissolve your teeth and you can pour it on your hand to no effect.
Hydrofluoric acid has a pH between 4 and 5. Spilling it on your hand will burn it as well as it absorbing through to youer bones and beginning to dissolve them if you spilt enough of it. It will also dissolve glass.
So acidity alone doesn’t ell you the wholöe or even that much of the story. other chemistry is more important.
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