How to find molecular weight? Share with your friends Share 0 Chirag Gupta answered this 1 View Full Answer ཞąʝ℘ųɬ ۷ı۷ɛƙ answered this By adding masses of all d atoms in d compound.. 1 Ujjwal Raj answered this Explain 1 ཞąʝ℘ųɬ ۷ı۷ɛƙ answered this It means first u have to find mass of each atom and then u would have to multiply it by no. Of that particular atom in compound.. then u have to add masses of all.. 1