What is the chemical formula for Sodium carbonate _______ ?
Correct answer: C. Na2CO3
- A. Na3CO2
- B. CNa2O3
- C. Na2CO3
- D. Na3CO3
Explanation
Sodium carbonate contains two sodium ions for each carbonate ion, so its formula is Na2CO3. The subscripts balance the carbonate ion's 2− charge with two Na+ ions.
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