Could you be more precise?
There are over 100 types of acid.
These are a few for example:
H2SO3Sulfurous Acid
H2SO4Sulfuric Acid
H2SO2Hyposulfurous Acid
H2SO5Persulfuric Acid
H2S2O7Pyrosulfuric Acid
H2S2O5Disulfurous Acid
H2S2O4Dithionous Acid
H2S4O6Tetrathionic Acid
H2S2O2Thiosulfurous AcidH2SHydrosulfuric Acid
H2S2O8Peroxydisulfuric AcidHClO4Perchloric Acid
