Question: what is the formula for the ionic compound sodium carbonate?
Answer: It is also called soda ash or washing soda. Formula and structure: The chemical structure of sodium carbonate is Na2CO3, and its molar mass is 106.0 g/mol. Sodium carbonate is an ionic compound- a sodium salt of carbonic acid, and is composed of two sodium cations (Na+) and a carbonate anion (CO3-).