$2.$ Use your delta Tf value, the other data and information provided, calcukate the molar mass of the unknown.

$3.$ From its molar mads and empirical formula, C$3$H$2$Cl$,$ determine the molecular formula of the unknown. Clearly explain your calculations.

$4.$ Draw a plausible structure for your unknown molecule, given that it is an aromatic compound, i$.$e$.$ a derivative of benzene, C$6$H$6.$

More information is given below in the pictures to help fond the answers