Question

Give the chemical formula for sulfurous acid.

a) H2SO4
b) H2SO3
c) H2SO2
d) H2S
e) H2Se

Answer 1

The chemical formula for sulfurous acid is H2SO3, differing from the sulfuric acid which is H2SO4.

Step-by-step explanation:

The chemical formula for sulfurous acid is H2SO3. Sulfurous acid is different from sulfuric acid, which has the formula H2SO4, and should not be confused with other sulfur-containing compounds.