Na2S + CaCO3 → CaS + Na2CO3
Reactants:
- Na2S
- Names: Sodium sulfide , Disodium sulfide , Sodium sulfide (anhydrous) Sodium monosulfide , Sodium sulphide
- Appearance: Colorless, hygroscopic solid ; White-to-yellow hygroscopic crystals with characteristic odour
- CaCO3 – Calcium carbonate
- Other names: Calcite; aragonite; chalk; Lime (material); Limestone; marble; oyster; pearl; , Calcium salt of carbonic acid , Children's Mylanta Upset Stomach Relief Carbonato de calcio , Carbonate de calcium , Carbonic acid calcium salt (1:1) , Precipitated Calcium Carbonate , Mylanta Soothing Lozenges , Purecal , Albacar , CaCO3 , Calcium carbonate (1:1) , Kohlensaurer kalk , E 170 , Chooz , Kalziumkarbonat , Calciumcarbonat , Cal-Sup , Calcium;carbonate , Calci chew vitamine , Carbonic acid, calcium salt
- Appearance: Fine white powder; chalky taste ; White powder or pellets
Products:
- CaS – Calcium sulfide
- Other names: Calcium monosulfide , Hepar calcies , Sulfurated lime , Oldhamite
- Appearance: White crystals | hygroscopic
- Na2CO3 – Sodium carbonate
- Other names: Soda ash , Washing soda , Soda crystals Sodium carbonate (anhydrous) , Na2CO3 , Disodium carbonate , Natriumkarbonat , Carbonic acid sodium salt (1:2) , Anhydrous sodium carbonate , Carbonic acid, disodium salt , Sodium carbonate, anhydrous , Soda-ash , Natrum carbonicum , Sodium carbonate anhydrous , Sodium salt of carbonic acid , Carbonic acid disodium salt
- Appearance: White solid, hygroscopic ; White hygroscopic powder