The mass of Cl2 produced when 1A current is passed through NaCl solution for 30 min. Is

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Total charge supplied = current in amperes×time in seconds                                       = 1A ×30×60s                                       =1800 As = 1800 CNow, NaCl   Na+ + Cl-                                         35.5 g96500 C liberate Cl2 = Eq. wt of Cl2= 35.5 gTherefore, 1800 C liberates Cl2=35.596500×1800= 0.66 g

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