Q.Calculate the solubility of $AgCN$ in a buffer solution of pH 3. Given $K_{sp}$ of $AgCN = 1.2 \times 10^{-16}$ and $Ka$ of $HCN = 4.8 \times 10^{-10}$ :

1.58 \times 10^{-5} \text{ M}

2.5 \times 10^{-5} \text{ M}

1.9 \times 10^{-5} \text{ M}

5.0 \times 10^{-7} \text{ M}

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Q.Calculate the solubility of AgCNAgCNAgCN in a buffer solution of pH 3. Given KspK_{sp}Ksp​ of AgCN=1.2×10−16AgCN = 1.2 \times 10^{-16}AgCN=1.2×10−16 and KaKaKa of HCN=4.8×10−10HCN = 4.8 \times 10^{-10}HCN=4.8×10−10: