The Cell Potential of the Following Electrochemical Cell Is Determined $\circ$

Multiple Choice

The cell potential of the following electrochemical cell is determined using an unspecified concentration of acid.What is the pH of the acid solution given that the measured cell potential is -0.558 V and the anode reduction potential (E ^$\circ$ is 0.222 V at 25 ^$\circ$ C?
Ag(s) | AgCl(s) | Cl^-(aq,1.0 M) || H⁺(aq,? M) | H₂(g,1.0 atm) | Pt(s)

A) 5.68
B) 13.2
C) 6.18
D) 11.4
E) 1.32