\(E_{cell}^o\, = \,\frac{{2.303\,\,RT}}{{nF}}\log \,{K_c}\) \( = \,\frac{{0.0591}}{n}\,\log \,{K_c}\)
\(\therefore \,\,0.295\,\,V\,\, = \,\frac{{0.0591}}{2}\,\log \,\,{K_c}\)
or \(\,\log \,\,{K_c}\, = \,\frac{{2\, \times \,0.295}}{{0.0591}}\,\, = \,10\)
or \({K_c}\, = \,1\, \times \,{10^{10}}\)