Thyroxine, the hormone has given below structure
The percentage of iodine in thyroxine is ____%. (nearest integer) (Given molar mass in ${\rm{gmo}}{{\rm{l}}^{-1}}{\rm{C}}:12,{\rm{H}}:1,{\rm{O}}:16,\;{\rm{N}}:14,{\rm{I}}:127$)
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The percentage of iodine in thyroxine is ____%. (nearest integer) (Given molar mass in ${\rm{gmo}}{{\rm{l}}^{-1}}{\rm{C}}:12,{\rm{H}}:1,{\rm{O}}:16,\;{\rm{N}}:14,{\rm{I}}:127$) 
