A solution containing ethanoic acid, $\text{CH}_3\text{COOH}$, has a concentration of $2\,\text{mol dm}^{-3}$. Which statement about this solution is correct?
- A20 g of ethanoic acid is dissolved in $10\,\text{cm}^3$ of water.
- B30 g of ethanoic acid is dissolved in $250\,\text{cm}^3$ of water.
- C60 g of ethanoic acid is dissolved in $1\,\text{dm}^3$ of water.
- D120 g of ethanoic acid is dissolved in $2\,\text{dm}^3$ of water.