Where is the chooses for you question
Answer:
NaHCo3+Na2So4---Nna2So4+H2O+CO2
A binary compound is a compound formed from two different elements. There may or may not be more than one of each element. A diatomic compound (or diatomic molecule) contains two atoms, which may or may not be the same.
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Nomenclature of Ionic and Covalent Compounds.