$4.00\,\text{g}$ of solid sodium hydroxide is dissolved in water to prepare a solution whose concentration is $0.200\,\text{mol dm}^{-3}$. What is the volume of water used?
- A$0.5\,\text{cm}^3$
- B$20\,\text{cm}^3$
- C$500\,\text{cm}^3$
- D$2000\,\text{cm}^3$