In the chemical structure of the repeating unit of the fibre Nylon-6,6, calculate the total number o — Polymers Chemistry Question

💡 Solution & Explanation

Nylon-6,6 is formed by the condensation of hexamethylenediamine ($6$ carbon atoms) and adipic acid ($6$ carbon atoms). Its repeating unit is $[-NH-(CH_2)_6-NH-CO-(CH_2)_4-CO-]$, which contains exactly $6 + 6 = 12$ carbon atoms.