In a school laboratory, the ester ethyl methanoate is made by reacting a carboxylic acid with an alcohol. For this reaction, only $50.0\%$ of the alcohol changes into the ester. What mass of alcohol is required to produce $10.0\,\text{g}$ of the ester?
- A$3.11\,\text{g}$
- B$8.65\,\text{g}$
- C$12.4\,\text{g}$
- D$32.2\,\text{g}$