Calculate the molecular masses of the following compounds:
(a) Hydrogen sulphide, H2S
(b) Carbon disulphide, CS2
(a) Molecular mass of hydrogen sulphide (H2S) = 2xH + 1xS = (2+32)u = 34u
(b) Molecular mass of Carbon disulphide (CS2) = 1xC + 2xS = (12+2 x 32)u = 76 u