Common acids and bases Formula

Hydrochloric acid (strong)
HCl
hydrobromic acid (strong)
HBr
Hydriodic acid (strong)
HI
Nitric acid (strong)
HNO3
sulfuric acid (strong)
H2SO4
Perchloric acid (strong)
HClO4
Hydrofluoric acid (weak)
HF
Phosphoric acid (weak)
H3PO4
Acetic acid (weak)
CH3COOH (or HC2H3O2)
Sodium hydroxide (strong base)
NaOH
Potassium hydroxide (strong base)
KOH
Calcium hydroxide (strong base)
Ca(OH)2
Strontium hydroxide (strong base)
Sr(OH)2
Ammonia (weak base)
NH3
Barium Hydroxide (strong base)
Ba(OH)2