This is the current revision of Sulfuric acid as edited by DavidB4-bot (Talk | contribs) at 19:53, July 13, 2016. This URL is a permanent link to this version of this page.
Sulfuric acid (H2SO4) is a strong diprotic acid. This is unusual as it is the only known strong diprotic acid. It has a pKa of -3. This is not exact as the pKa values of strong acids are not well defined.