(પરમાણ્વીય દળ :- $Ag =108, Br =80\, g\, mol ^{-1}$ )
\(\%\) of \(Br =\frac{\text { wt of } AgBr }{\text { wt. of organic compound }} \times 100 \times \frac{\text { molar mass of Br }}{\text { AgBr }}\)
\(=\frac{1.88}{1.6} \times \frac{80}{188} \times 100=\frac{15040}{300.8}=50 \%\)
(પરમાણ્વીય દળ $Ag =108; Br = 80$)
[આણ્વિય દળ: ${Ag}=108, {Br}=80$ ]
(પરમાણ્વીય દળ $Ag =108\,u, Br =80\,u )$.