An aqueous sample of sodium carbonate, $\text{Na}_2\text{CO}_3$, has a concentration of $0.03\,\text{mol dm}^{-3}$. What mass of sodium carbonate is contained in $1\,\text{dm}^3$ of this solution?
- A$1.06\,\text{g}$
- B$3.18\,\text{g}$
- C$10.60\,\text{g}$
- D$31.80\,\text{g}$