In the following concentration cell, cu(s) | cu2+(aq, x m) || cu2+(aq), 1.0m) | cu(s)the vollowing absolute ecell values were measured for different concentrations of cu2+ (aq) (x): [x] m ecell va. 1.0*10^0 0.000b. 1.0*10^-1 0.0271c. 1.0*10^-2 0.0542d. 1.0*10^-3 0.0812e. 1.0*10^-4 0.1083a) using these data calculate the average temperature of these measurements. b) the same cell was then used to measure a cell voltage of ecell = 0.0677v for an unknown concentration of cu2+ (aq) in solution at this temperature. from an appropriate plot, determine this unknown concentration