Calculate the molality of a solution containing $6.3$ grams of Oxalic acid crystals dissolved in $0.5$ kilograms of solvent. Molecular weight of Oxalic acid = 126 grams/mole.

Question

$\begin{array}{1 1} (a)\; 0.1\;m \\ (b)\; 0.2\;m \\ (c)\; 0.3\;m \\ (d)\; 0.4\;m \end{array}$