Question

percentage of sulphur in gypsum is​

Answer 1

Refined gypsum in the anhydrite form which means no water is 29.4 percent calcium (Ca) and 23.5 percent sulfur (S). Usually, gypsum has water associated in the molecular structure (CaSO. 2H2O) and is approximately 23.3 percent Ca and 18.5 percent S (plaster of paris).

Thank You

Answer 2

Gypsum is CaSO4 (anhydrous)

so, mass of gypsum = 136 g/mol

so, % of sulphur = 32*100/136 = 23.5%