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An organic sample of 0.5 g contain Br , ...

An organic sample of 0.5 g contain Br , it yield 0.4g of AgBr in a certain reaction what is % weight of Br in the sample approximately ?(Atomic weight of Ag = 108 g `mol^-1` : Br= 80g/ mol )

A

34

B

45

C

54

D

26

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