Question

Using the Gibbs energy change, $△G° = + 63.3\ kJ$, for the following reaction,
$Ag_2CO_3 (g) ⇋ 2Ag+ (aq) + CO_3^{2–} (aq)$
the $K_{sp}$ of $Ag_2CO_3$(s) in water at $25°C$ is :
$(R = 8.314\ J K^{–1} mol^{–1})$

• A. $8 .0 \times 10^{–12}$
• B. $2.9 \times 10^{–3}$
• C. $7.9 \times 10^{–2}$
• D. $3.2 \times 10^{–36}$

Answer 1

Answer: (A)

$8 .0 \times 10^{–12}$

Answer 2

The correct option (A): $8 .0 \times 10^{–12}$.