关键的区别——硫交流id vs. Sulfurous Acid Sulfuric acid (H2SO4) and sulfurous acid (H2SO3) are two inorganic acids containing sulfur, hydrogen, and oxygen as elements. The key difference between sulfuric acid and sulfurous acid is in the oxidation number of Sulfur. Moreover, when we compare two acids in terms of acidity, sulfuric acid is more acidic than […]