pH of Sodium Metabisulfite
Sodium metabisulfite (Na2S2O5) is an acidic salt. When dissolved in water, it hydrolyzes and produces a mildly acidic solution.
- Typical pH: A 1% aqueous solution of sodium metabisulfite usually has a pH between 3.5 and 5.5.
The exact value may vary depending on concentration and purity, but it is generally within this acidic range.
