Chemistry · Some Basic Concepts of Chemistry

The density of a \( 3\text{ M} \) solution of \( \text{NaCl} \) is \( 1.25\text{ g mL}^{-1} \). Calculate the molality of the solution.

1. A
   3.00 m
2. B
   2.79 m
3. C
   3.25 m
4. D
   2.15 m