Sodium carbonate (Na2CO3), boima ba molek'hule 105.99.Ho hloeka ha lik'hemik'hale ho feta 99.2% (karolo ea boima), eo hape e bitsoang soda ash, empa lihlopha ke tsa letsoai, eseng alkali.E boetse e tsejoa e le soda kapa alkali ash khoebong ea machaba.Ke lisebelisoa tsa bohlokoa tsa inorganic lik'hemik'hale tse tala, tse sebelisoang haholo ho hlahisa likhalase tse bataletseng, lihlahisoa tsa khalase le likhalase tsa ceramic.E boetse e sebelisoa haholo ho hlatsuoa, ho se nke lehlakore ka acid le ho lokisa lijo.