I believe you meant to say sulfurous acid and not sulfuric acid. Sodium sulfite is a salt of sulfurous acid (which IS a weak acid). Sulfuric acid is a strong acid and the corresponding sodium salt would be sodium sulfate.
You are absolutely right and thanks for correcting me! Have mercy on me, English is not my native tongue
Trying to be the best of whatever I am, even if what I am is no good.