What is the molality of a solution of $0.540\; M \;HCl$ present in $155\; ml$ of solution. The weight of the solute, water, is $0.150 \;kg.$

Question

$\begin{array}{1 1} (a)\;0.558\; m \\ (b)\; 0.45\; m \\ (c)\; 1.558\; m \\ (d)\; 0.358\; m \end{array}$