Find the ratio by mass of the elements present in molecule of hydrogen sulphide(H2S). Given that, atomic mass S = 32, H = 1. Share with your friends Share 0 Manas Pant answered this Dear Student, Atomic mass of H = 1, and S = 32, H2S = 2 x 1 : 32 = 1:16 Regards 17 View Full Answer Pratham Ranjan answered this Formula-H2S Hydrogen atoms-2 Sulphur atoms-1 Ratio by mass-2:32=1:16 7