the density of 2 molal aqueous solution of NaOH is 1.10g/L. Calculate the molarity of the solution.

Answer 1

2 m means 2 mols NaOH/kg solvent = 40 g NaOH/1000 g solvent = 40 g NaOH/1040 g soln.
d = 1.10 g/mL. Convert mass 1040 and density 1.10 g/mL to volume, change that to L, then 2/L = M