Pt(s)|H$$_2$$(g)(1 bar)|H$$^+$$(aq)(1M)||M$$^{3+}$$(aq), M$$^+$$(aq)|Pt(s)
The E$$_{cell}$$ for the given cell is 0.1115 V at 298 K
When $$\frac{[M^+(aq)]}{[M^{3+}(aq)]} = 10^a$$
The value of a is _____
Given: E$$^0_{M^{3+}/M^+}$$ = 0.2 V
$$\frac{2.303RT}{F}$$ = 0.059 V