Strong Acids and Bases

Strong Acidsa Bases
HCl, HBr, HIb NaOH, KOH, CsOH
HNO3 Ca(OH)2 slightly soluble
HClO4 Ba(OH)2
H2SO4, HOSO2F N(CH3)4OH
HF+SbF5, HOSO2F+SbF5

a. For additional organic examples see table pKa of Organic and Inorganic Acids in this appendix.
b. HF, pKa = 3.5, is not a strong acid.