Answer
Element. Formula Mass of one mole
of molecules
(a) Br Br2 159.808 g
(b) O O2 31.9988 g
(c) P. P4 123.8952 g
(d) Ne Ne 20.1797 g
(e) S S8 256.53 g
(f) O O2 31.9988 g
Work Step by Step
According to periodic table