If you have 255 mg of 1,3-bis(bromomethyl)benzene and 75 mg NaCN, what is the theoretical yield for the reaction shown below? (Hint: Determine the limiting reagent first.) NaCN Br. Br DMSO NC CN Useful information: 1,3-bis(bromomethyl)benzene molar mass = 263.96 g/mol NaCN molar mass = 49.01 g/mol product molar mass = 156.19 g/mol 120 mg 239 mg 151 mg 302 mg