化学中常见的酸有
1.强酸HClO4,HNO3,HI,HBr HCl,H2SO4,
2.中强酸H2SO3,H3PO4,
3.弱酸CH3COOH,H2CO3,H2S,HClO,H2SiO4
HClO4的酸性最强.