Question

Atomic mass of bromine is 80 g. The mass of four moles of molecular bromine (br2) is:

Answer 1

Answer:

mass will be

4x160 = 640 ......

Answer 2

Answer:

Mass of one mole of Br2 is 160 g. Hence mass of four moles of molecular bromine is 4 X 160 = 640 g.

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