To calculate the exchange current density i0 of the electrochemical reaction, we need to know the transfer coefficients a and c for the anodic and cathodic reactions, as well as the rate constants ka and kc for the anodic and cathodic reactions. However, these values are not provided in the problem statement.The Tafel slopes ba and bc are related to the transfer coefficients and the rate constants by the following equations:ba = 2.303 * R * T / a * n * F bc = 2.303 * R * T / c * n * F Where:- ba and bc are the anodic and cathodic Tafel slopes, respectively 60 mV/decade and 100 mV/decade - R is the gas constant 8.314 J/molK - T is the temperature in Kelvin assumed to be 298 K for room temperature, if not provided - a and c are the transfer coefficients for the anodic and cathodic reactions, respectively- n is the number of electrons transferred in the reaction- F is the Faraday constant 96485 C/mol However, without knowing the values of a, c, and n, we cannot calculate the exchange current density i0 directly from the Tafel slopes. If you can provide these values or more information about the electrochemical reaction, we can proceed with the calculation.