Calculate the Value of the Reaction Quotient, Q, for the Voltaic

question 6

Multiple Choice

Calculate the value of the reaction quotient, Q, for the voltaic cell constructed from the following two half-reactions when the Zn²⁺ion concentration is 0.0110 M and the Ag⁺ ion concentration is 1.27 M?
$\mathrm { Zn } ^ { 2 + } ( \mathrm { aq } ) + 2 \mathrm { e } ^ { - }$ ? $\mathrm { Zn } ( \mathrm { s } ) ; E ^ { \circ } = - 0.76 \mathrm {~V}$ $\mathrm { Ag } ^ { + } ( \mathrm { aq } ) + \mathrm { e } ^ { - }$ ? $\mathrm { Ag } ( \mathrm { s } ) ; E ^ { \circ } = 0.80 \mathrm {~V}$

• A) 8.66 × 10^-3
• B) 6.82 × 10^-3
• C) 115
• D) 1.25 × 10^-2
• E) 147

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