Chemistry

Problem

The density of 'x' M solution ('x' molar) of NaOH is

1.12 \text{ g mL}^{-1}

, while in molality, the concentration of the solution is 3 m (3 molal). Then x is (Given : Molar mass of NaOH is

40 \text{ g/mol}

) (a) 3.5 (b) 3.0 (c) 3.8 (d) 2.8