A current of 1.70 A is passed through 300.0 mL of 0.160 M solution of a ZnSO_4 for 230 s with a current effici

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Q 2617601589.     A current of 1.70 A is passed through 300.0 mL of 0.160 M solution of a ZnSO_4 for 230 s with a current efficiency of 90%. Find out the molarity of Zn ^(2+) after the deposition Zn. Assume the volume of the solution to remain constant during the electrolysis.
JEE 1991

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