Question

P1. [10 total points] If copper metal is plated from an aqueous solution of 1.75 M Cu at 20.0 A and 110.0 V for 8.00 hours... (A) how many grams of copper metal are produced? 63549 mo1e e b0min 20.0C .00h x X Imin nmole Cu 964850 IS 371325 (B) What is one thing that you could do to produce the same amount of metal in half the time?

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Answer 1

Lauds of elechriysis we can writ |N= mass of C(in qram) produced Fquivalent weight of From Faradays W= E CE Nouw eut 63 54 63. 54 x 20 X 360ox8 2. 96500 Current passed= 20A time in second 9 63 (Ans) 8 x3600 et, the curent neata the amount of current 63.54 In this case we have to CiA Here lime Cx X3600 96500 189 63 X 4 mr 2600x4 S eo 40 A have to pass S0, ewe have to pass 40 A cunent ie, we the deuble amount ef Cunent