Is Sodium Metabisulfite a Sulfate?

No, sodium metabisulfite is not a sulfate. It is a different type of sulfur-containing compound.

  • Sulfate refers to compounds containing the SO42− ion.
  • Sodium metabisulfite has the chemical formula Na2S2O5.
  • It contains the metabisulfite ion (S2O52−), not the sulfate ion.

Therefore, sodium metabisulfite is a metabisulfite, not a sulfate.