Calculate the value of the reaction quotient,Q,for the galvanic cell expressed using shorthand notation below.Use the balanced chemical equation that has the smallest whole number stoichiometric coefficients. Zn(s)∣ Zn²⁺(aq,0.0.0400 M)∣∣ Ag⁺(aq,1.25 M)∣ Ag(s) A)39.0 B)31.2 C)3.20 × 10^-2 D)2.56 × 10^-2

Question

Quizplus · Accepted Answer

The balanced chemical equation for the cell reaction is: Zn(s) + 2Ag^+(aq) → Zn^2+(aq) + 2Ag(s). The reaction quotient, Q, is given by Q = [Zn^2+]/[Ag^+]^2. Given concentrations are [Zn^2+] = 0.0400 M and [Ag^+] = 1.25 M. Thus, Q = (0.0400)/(1.25)^2 = 2.56 × 10^-2.

Calculate the Value of the Reaction Quotient,Q,for the Galvanic Cell