Problem- The cell potential of this electrochemical cell depends on the gold concentration in the cathode half-cell
Pt(s) | H2 (g,1atm) | H + (aq,1.0M) || Au3 + (aq,?M) | Au(s).
What is the concentration of Au3+ in the solution if Ecell is 1.29V?
Write the complete solution in short and simple way