Solid silver sulfate (Credit: Google Images)
During the electrolysis of an aqueous solution of with platinum electrodes a time-dependent current (where is in seconds) was supplied under a constant efficiency of % for seconds under STP conditions. Find the weight of the discharged metal at cathode (in grams).
Details: Use Faraday's constant and weight of .
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Find total charge passed by integrating I(t),w.r.t time Then multiply this charge with the efficiency of the current (Being a constant,it doesn't make a difference in the integral) Then find mols of electrons corresponding to the charge This gives you the mols of At deposited at cathode Multiplying by 108g yields the desired answer