141. Solving a chemistry problem

141. Solving a chemistry problem

4. During the electrolysis of a solution of lead nitrate, m (PbO2) g was released at the anode. Determine the molar concentration of the equivalent of Pb (NO3) 2 (feq = 1/2) if V ml of this solution was taken for analysis:
Option 1
V, ml 20.00
m (Pb02), g 0.2506

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