What Is the Concentration of Cu²⁺(aq)in the Following Cell at 25

Multiple Choice

What is the concentration of Cu²⁺(aq) in the following cell at 25 °C if the cell voltage is 1.253 V?
Zn(s) ∣ Zn²⁺ (aq,0.125 M) Cu²⁺(?) ∣ Cu(s)
Cu²⁺(aq) + 2 e^- → Cu(s) E° = 0.340 V
Zn²⁺(aq) + 2 e^- → Zn(s) E° = -0.763 V

A) 0.6 M
B) 1 × 10^-2 M
C) 1 × 10^-6 M
D) 9 × 10^-4 M
E) 4 × 10^-4 M